Here are some of the things prophet Muhammad (pbuh) said through out his life time.
O Allah", said the Prophet, "To Thee I complain of my weakness, resourcelessness and humiliation before the people. Thou art the Most Merciful, the Lord of the weak and my Master. To whom wilt thou confide me? To one estranged, bearing ill will, or, an enemy given power over me? If Thou art not worth on me, I care not, for Thy favor is abundant upon me. I seek refuge in the light of Thy countenance by which all darkness is dispelled and every affair of this world and the next is set right, lest Thy anger should descend upon me or Thy displeasure light upon me. I need only thy pleasure and satisfaction for only Thou enablest me to do good and evade the evil. There is no power and no might save in thee."
Here is another saying showing how modest the prophet was. Eventhough he never lived a life of sins and never ever broke any of the commandments he still seeked God's forgiveness
O God, thou hearest what I say; and seest where I am; and knoweth what I conceal or reveal. Nothing can remain hidden from Thee. I am tormented, indigent and miserable, seeking refuge with thee as one who is sorrow-stricken and horrified. I acknowledge my sins and confess my faults; I call upon Thee like a beggar and cry unto Thee like an abased sinner; I beseech Thee like one who is dismayed and harassed, falling prone before Thee, and shedding tears; like one who has thrown oneself at Thy feet and is licking the dust. O God, cause me not to fail in supplication to Thee; be Kind and Merciful unto me: Lo! Thou art the best of all those who are implored and the Most Generous of all the Bestower."
I repeat these sayings almost every day, they have such an effect on me.
Here is what one of the pophets friend said after he died ( alot of people didn't believe he died that's why he had to address them )
O Men, if anyone worship Muhammad, let him know that Muhammad is dead. But if anyone worships God, then God is alive and He dies not."
Fellow Muslims, if you come across any nice sayings from the prophet please post here. Let them know who Muhammad (pbuh) really was. These people read so many biased books which contains lies. It's your duty.
Salam