The test of every religious, political, or educational system, is the man which it forms. If a system injures the intelligence it is bad. If it injures the character it is vicious. If it injures the conscience it is criminal.

The man who insists upon seeing with perfect clearness before he decides, never decides. Accept life, and you must accept regret.

Truth above all, even when it upsets us and overwhelms us.

It is not what he had, or even what he does which expresses the worth of a man, but what he is.

Our dependence outweighs our independence, for we are independent only in our desire, while we are dependent on our health, on nature, on society, on everything in us and outside us.

Time and space are fragments of the infinite for the use of finite creatures.

The philosopher aspires to explain away all mysteries, to dissolve them into light. Mystery on the other hand is demanded and pursued by the religious instinct; mystery constitutes the essence of worship, the power of proselytism.