The laws of animality govern almost the whole of history.

Common sense is the measure of the possible; it is composed of experience and prevision; it is calculation applied to life.

Latent genius is but a presumption. Everything that can be, is bound to come into being, and what never comes into being is nothing.

The fire which enlightens is the same fire which consumes.

I find myself regarding existence as though from beyond the tomb, from another world; all is strange to me; I am, as it were, outside my own body and individuality; I am depersonalized, detached, cut adrift. Is this madness?

Men don't achieve truth because they lack humility and love of truth. They won't criticize their own beliefs. Truth would overwhelm them.

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