If you took half of something and continued to take half of that half and so on, you would never reach an end.

In art, and in the higher ranges of science, there is a feeling of harmony which underlies all endeavor. There is no true greatness in art or science without that sense of harmony.

Strive not to be a success, but rather to be of value.

How can any educated person stay away from the Greeks? I have always been far more interested in them than in science.

The sole function of education...[is] to open the way to thinking and knowing, and the school, as the outstanding organ for the people's education, must serve that end exclusively.

Time has no independent existence apart from the order of events by which we measure it.

One must shy away from questionable undertakings, even when they bear a high-sounding name.