The reward of a work is to have produced it; the reward of effort is to have grown by it..

Courage is sustained by calling up anew the vision of the goal..

Very often, gleams of light come in a few minutes' sleeplessness, in a second perhaps; you must fix them. To entrust them to the relaxed brain is lik….

We must beware of yielding to the pressure of a spirit of cowardly conformity which proclaims itself everybody's friend in the hope that everybody wi….

One finds one's way only by taking it..

Friendship is an obstetric art; it draws out our richest and deepest resources; it unfolds the wings of our dreams and hidden indeterminate thoughts;….

It is a painful thing to say to oneself: by choosing one road I am turning my back on a thousand others. Everything is interesting; everything might ….