Challenging the meaning of life is the truest expression of the state of being human.

Family not only need to consist of merely those whom we share blood, but also for those whom we'd give blood.

No mortal can keep a secret. If the lips are silent, he chatters with his fingertips; betrayal oozes out of him at every pore.

The true measure of a man is how he treats someone who can do him absolutely no good.

Cultivation of mind should be the ultimate aim of human existence.

In many people it is already an impertinence to say 'I'.

I just invent, then wait until man comes around to needing what I've invented.

A person is a person because he recognizes others as persons.

The world would be happier if men had the same capacity to be silent that they have to speak.

Private passions tire and exhaust themselves, public ones never.

Of mankind we may say in general they are fickle, hypocritical, and greedy of gain.

Build a man a fire, and he'll be warm for a day. Set a man on fire, and he'll be warm for the rest of his life.

To understand how any society functions you must understand the relationship between the men and the women.

Our true nationality is mankind.

Every form of addiction is bad, no matter whether the narcotic be alcohol, morphine or idealism.

We may have different religions, different languages, different colored skin, but we all belong to one human race.

Great minds discuss ideas. Average minds discuss events. Small minds discuss people.

Are we happy that our grandchildren may never seen an elephant except in a picture book?

Everyone has his own specific vocation or mission in life; everyone must carry out a concrete assignment that demands fulfillment. Therein he cannot be replaced, nor can his life be repeated, thus, everyone's task is unique as his specific opportunity to implement it.

The first human who hurled an insult instead of a stone was the founder of civilization.

If you want to know what a man's like, take a good look at how he treats his inferiors, not his equals.