The true measure of a man is how he treats someone who can do him absolutely no good.
Private passions tire and exhaust themselves, public ones never.
How can you thank a man for giving you what's already yours? How then can you thank him for giving you only part of what is yours?
A man is great by deeds, not by birth.
If you can't say something good about someone, sit right here by me.
Human history is in essence a history of ideas.
Our true nationality is mankind.
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.
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.
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.
Human history becomes more and more a race between education and catastrophe.
That man is the noblest creature may also be inferred from the fact that no other creature has yet contested this claim.
Of mankind we may say in general they are fickle, hypocritical, and greedy of gain.
Every form of addiction is bad, no matter whether the narcotic be alcohol, morphine or idealism.
It is no measure of health to be well adjusted to a profoundly sick society.
Family not only need to consist of merely those whom we share blood, but also for those whom we'd give blood.
Sickness is mankind's greatest defect.
We may have different religions, different languages, different colored skin, but we all belong to one human race.
The world would be happier if men had the same capacity to be silent that they have to speak.
A man's feet should be planted in his country, but his eyes should survey the world.
A wise man can play the part of a clown, but a clown can't play the part of a wise man.