The joy of learning is as indispensable in study as breathing is in running.

In reality nothing is so beautiful as the good, nothing is so monotonous and boring as evil.

There is only one fault, only one: our inability to feed upon light.

The highest ecstasy is the attention at its fullest.

The future is made of the same stuff as the present.

Uprooting is by far the most dangerous of the ills of human society, for it perpetuates itself.

The authentic and pure values, truth, beauty, and goodness, in the activity of a human being are the result of one and the same act, a certain application of the full attention to the object. Teaching should have no aim but to prepare, by training the attention, for the possibility of such an act. All the other advantages of instruction are without interest.