Only strong characters can resist the temptation of superficial analysis.

One feels the insignificance of the individual, and it makes one happy.

Imagination is the highest form of research.

Without creative, independently thinking and judging personalities the upward development of society is as unthinkable as the development of the individual personality without the nourishing soil of the community.

If you have never failed, you have never tried anything new.

The aim (of education) must be the training of independently acting and thinking individuals who, however, see in the service to the community their highest life problem.

Conviction is a good motive, but a bad judge.