All life is the struggle, the effort to be itself.

All life is the struggle, the effort to be itself.

The hunter is the alert man. But this itself-life as complete alertness-is the attitude in which the animal exists in the jungle.

The struggle with the past is not a hand-to-hand fight. The future overcomes it by swallowing it. If it leaves anything outside it is lost.

Liberalism... is the noblest cry that has ever resounded in this planet.

There are, above all, times in which the human reality, always mobile, accelerates, and bursts into vertiginous speeds. Our time is such a one, for it is made of descent and fall.

The man who discovers a new scientific truth has previously had to smash to atoms almost everything he had learnt, and arrives at the new truth with hands blood stained from the slaughter of a thousand platitudes.