Problems are only opportunities in disquise.

On the ostensible exactitude of certain branches of human knowledge, including mathematics. The exactness is a fake.

No man of science wants merely to know. He acquires knowledge to appease his passion for discovery. He does not discover in order to know, he knows in order to discover.

Life is the enjoyment of emotion, derived from the past and aimed at the future.

Religion will not regain its old power until it can face change in the same spirit as does science.

There is only one subject matter for education, and that is Life in all its manifestations

In all education the main cause of failure is staleness.