He only profits from praise who values criticism.

The purpose of art is to lay bare the questions which have been hidden by the answers.

The weather-cock on the church spire, though made of iron, would soon be broken by the storm-wind if it... did not understand the noble art of turning to every wind.

The most decisive actions of our life -- I mean those that are most likely to decide the whole course of our future -- are, more often than not, unconsidered.

The future is not something we enter. The future is something we create.

The empires of the future are the empires of the mind.

You cannot simultaneously prevent and prepare for war.

The only use of a knowledge of the past is to equip us for the present. The present contains all that there is. It is holy ground; for it is the past, and it is the future.

In a time of drastic change it is the learners who inherit the future. The learned usually find themselves equipped to live in a world that no longer exists.

Prejudice is the child of ignorance.