It is no measure of health to be well adjusted to a profoundly sick society.

The people who turn out best are those people who make the best out of the way things turn out.

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

A man is not rightly conditioned until he is a happy, healthy, and prosperous being; and happiness, health, and prosperity are the result of a harmonious adjustment of the inner with the outer of the man with his surroundings.

Humanism and Divinity are as complementary to one another in the order of culture, as are Nature and Grace in the order of being.

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.

Human nature is not totally fixed, but on any realistic scale, evolutionary processes are much too slow to affect it.

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

After your death you will be what you were before your birth.

A man is great by deeds, not by birth.

That man is the noblest creature may also be inferred from the fact that no other creature has yet contested this claim.

There is no come back to caves. We are too many.

Everywhere man blames nature and fate yet his fate is mostly but the echo of his character and passion, his mistakes and his weaknesses.

I can calculate the motion of heavenly bodies but not the madness of people.

Who makes us ignorant? We ourselves. We put our hands over our eyes and weep that it is dark.

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?

Our true nationality is mankind.

The whole universe is contained within a single human being – you.

Poverty is... Curable like any disease. Ignorance, dependence, inefficiency, laziness, want of the spirit of enterprise are the real real causes of poverty.

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

All of humanity's problems stem from man's inability to sit quietly in a room alone.