Why can't Mohammad peace be upon him be a liar?
There are many hard evidences that Mohammad PBUH can't be a liar:
1- He spent more than 40 years among his people & had never lied not even once, they called him "the truthful, the honest"
The disbelievers refused Islam because they preferred to follow their ancient fathers in worshipping statues than worshipping One God.
Abu Jahl, a polytheist pagan leader, told the Prophet that they didn't deny him, but they denied what he came to them with.
2- Revelation happened to him suddenly, before the divine revelation, he had never talked about creeds, legislations, laws, or mentioned anything about Paradise, the Hell, the Hereafter, the resurrection, the Angels, Satan, etc…
"52 And thus We have revealed to you an inspiration of Our command. You did not know what is the Book or [what is] faith, but We have made it a light by which We guide whom We will of Our servants. And indeed, [O Muhammad], you guide to a straight path -</SPAN>" Surat As-Shura
3- If he had been a liar, he wouldn't have been able to continue inviting people to Islam in Mecca more than 10 years, challenging the strong disbelievers while he was poor & weak, his supporters were few followers of the poor, the slaves, & the blinds who had been tortured & persecuted by the Chiefs of the disbelievers.
Chiefs of disbelievers tried to seduce him with money, women, & authority, but he refused, he said, 'O my uncle! By God if they put the sun in my right hand and the moon in my left on condition that I abandon this course, until God has made me victorious, or I perish therein, I would not abandon it'.
They also threatened him & tried to assassinate him.
They boycotted Muslims 3 years until Muslims ate the leaves of trees & bones.
If Mohammad PBUH was a liar, it would be impossible for him to go on.
4- God doesn't support liars, but abandons them & exposes their lies.
" 6 For the Lord knoweth the way of the righteous:but the way of the ungodly shall perish. " Psalm 1
" 17 For the arms of the wicked shall be broken: but the Lord upholdeth the righteous. " Psalm 37
& in The Holy Quran God says, "24 Or do they say, "He has invented about Allah a lie"? But if Allah willed, He could seal over your heart. And Allah eliminates falsehood and establishes the truth by His words. Indeed, He is Knowing of that within the breasts. " Surat As-Shura
Also God says, "44 And if Muhammad had made up about Us some [false] sayings,
45 We would have seized him by the right hand;
46 Then We would have cut from him the aorta" Surat Al-Haqqah
But God supported Mohammad PBUH, look at his biography, God gave him a manifest victory, & a strong help.
For example, when Arabs, Jews, and hypocrites were allies against him in the battle of Al-Ahzab, God sent against them a wind which defeated them.
When Denmark published the abusive caricatures, their economy fell down, and thousands of Danish converted to Islam.
When France forbade Muslim women from wearing Hijab, thousands of French embraced Islam.
America spent billions & cooperated with its allies to destroy Islam & Muslims, using all its might & army, also branded them as terrorists using media, but it failed.
Read the history and see what happened to all Prophet's enemies, they all perished.
Whereas, Mohammad's followers are increasing day by day
And his name is still praised, more than 1400 years it is connected to God name in Adhan, in every land worldwide, the Pronouncers of Adhan announce from minarets 5 times a day, "I testify that there is no god but Allah ; I testify that Muhammad Is the Messenger of Allah"
If Mohammad is a liar, God will not allow this to happen.
God also supports him by science & facts, science agrees with every single data in The Holy Quran, & so do old historic events, ancient texts, future expectations, doctors, psychologists, astronomers, geographers, meteorologists, chemists, nutritionists, economists, etc…
5- Jesus gave us a standard to distinguish between true prophets & false prophets, "16 Ye shall know them by their fruits. Do men gather grapes of thorns, or figs of thistles?
17 Even so every good tree bringeth forth good fruit; but a corrupt tree bringeth forth evil fruit. " Matthew 7
What fruit does Islam give?
Islam didn't lead to "dark ages", or to two world wars, nor did it destroy countries as Britain destroyed India or enslave others as France enslaved Africa, or persecute them as Spain did in "The Inquisition", No.
but it brought people out from darkness into light and from slavery into freedom and from acting as animals into acting as human beings.
Before Islam Arabs were very weak & ignorant, they worshipped stones, and followed what their fathers did, blindly, strong people persecuted weak people & men persecuted women. When Islam came it delivered people from weakness, ignorance, and slavery.
The first verse in The Holy Quran was "Read! In the Name of your Lord"
Then Islam gave humanity everything it needs to get its full human rights, complete humanity, & real happiness.
Islam guided us to the shortest path to happiness which is the straight path.
After that Muslims conquered countries east & west to deliver people from worshipping each other to worship God
Moreover, Islamic civilization contributed too much to science, literature, art, architecture and other fields.
In conclusion, if you pretend to be a doctor, how long will it take to be disclosed?!
Lie can't last forever; in the end truth will prevail.
When Ibrahim (child of Mohammad) died, sun eclipsed, so people said, "The sun eclipsed on account of the death of Ibrahim"
But what did the Prophet PBUH answer them?!
Ziyad b. 'Ilaqa reported: I heard Mughira b. Shu'ba saying that the sun eclipsed during the lifetime of the Messenger of Allah (may peace be upon him) on the day when Ibrahim died. Upon this the Messenger of Allah (may peace be upon him) said: Verily the sun and the moon are the two signs among the signs of Allah. They do not eclipse on account of the death of anyone or on account of the birth of anyone. So when you see them, supplicate Allah, and observe prayer till it is over.
Book of Muslim
Is that an answer from a liar or a Prophet?
He was able to make use of this event, wasn't he?
But he didn't have to, because he is a Messenger of God, God gave him a testimony "166 But Allah bears witness to that which He has revealed to you. He has sent it down with His knowledge, and the angels bear witness [as well]. And sufficient is Allah as Witness." Al-Nisa'
& gave him the Holy Quran which is a manifest miracle.
God sent him as a "mercy" for us, if we believe we will benefit ourselves, but if we disbelieve, that will not hurt the Prophet "184 Then if they deny you, [O Muhammad] - so were messengers denied before you, who brought clear proofs and written ordinances and the enlightening Scripture." Al Imran.