A man is great by deeds, not by birth.
Take away paradox from the thinker and you have a professor.
All of humanity's problems stem from man's inability to sit quietly in a room alone.
I just invent, then wait until man comes around to needing what I've invented.
The U.S. Census Bureau acknowledged this fact when it reported that those with a bachelor's degree earn on average $1 million more over their lifetime than those with only a high school diploma.
Men are anxious to improve their circumstances, but are unwilling to improve themselves; they therefore remain bound.
The whole universe is contained within a single human being – you.
A woman's chastity consists, like an onion, of a series of coats.
In spite of everything, I still believe that people are really good at heart.
People who know little are usually great talkers, while men who know much say little.
Of mankind we may say in general they are fickle, hypocritical, and greedy of gain.
Progress of mankind is progress of mind and intellect.
People seldom do what they believe in. They do what is convenient, then repent.
That man is the noblest creature may also be inferred from the fact that no other creature has yet contested this claim.
Everywhere man blames nature and fate yet his fate is mostly but the echo of his character and passion, his mistakes and his weaknesses.
Outstanding people have one thing in common: an absolute sense of mission
A man has to learn that he cannot command things, but that he can command himself; that he cannot coerce the wills of others, but that he can mold and master his own will: and things serve him who serves Truth; people seek guidance of him who is master of himself.
Challenging the meaning of life is the truest expression of the state of being human.
It is a waste of energy to be angry with a man who behaves badly, just as it is to be angry with a car that won't go.
It is no measure of health to be well adjusted to a profoundly sick society.
Great men are like eagles, and build their nest on some lofty solitude.