He that wrestles with us strengthens our nerves and sharpens our skill. Our antagonist is our helper.
If you talk to a man in a language he understands, that goes to his head. If you talk to him in his language, that goes to his heart.
Of mankind we may say in general they are fickle, hypocritical, and greedy of gain.
I despise people who depend on these things [heroin and cocaine]. If you really want a mind-altering experience, look at a tree.
A person's a person, no matter how small.
Humanism was not wrong in thinking that truth, beauty, liberty, and equality are of infinite value, but in thinking that man can get them for himself without grace.
Men always talk about the most important things to perfect strangers.
Man is made or unmade by himself. By the right choice he ascends. As a being of power, intelligence, and love, and the lord of his own thoughts, he holds the key to every situation.
All of humanity's problems stem from man's inability to sit quietly in a room alone.
A desire to be observed, considered, esteemed, praised, beloved, and admired by his fellows is one of the earliest as well as the keenest dispositions discovered in the heart of man.
Dignity does not consist in possessing honours, but in deserving them.
A question that sometimes drives me hazy: Am I, or the others, crazy?
After your death you will be what you were before your birth.
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.
Our true nationality is mankind.
All sins are attempts to fill voids.
Humans are not proud of their ancestors, and rarely invite them round to dinner.
Everywhere man blames nature and fate yet his fate is mostly but the echo of his character and passion, his mistakes and his weaknesses.
Humanity is acquiring all the right technology for all the wrong reasons.
A man's feet should be planted in his country, but his eyes should survey the world.
One of the greatest diseases is to be nobody to anybody.