It is a precarious undertaking to say anything reliable about aims and intentions.

Don't second guess the mistakes you've made, others will do that for you. Make things as simple as possible, but not simpler.

Nationalism is an infantile disease. It is the measles of mankind.

In my view, it is the most important function of art and science to awaken this feeling and keep it alive in those who are capable of it.

The most practical solution is a good theory.

... we will hope that future historians will explain the morbid symptoms of present-day society as the childhood ailments of an aspiring humanity, due entirely to the excessive speed at which civilization was advancing.

Time is what the clock says.