There is a driving force more powerful than steam, electricity and nuclear power: the will.

How can he possibly be humble? He hasn't done anything yet.

To be free means to be independent, not to be influenced by what others think and say.

The intuitive mind is a sacred gift and the rational mind is a faithful servant. We have created a society that honors the servant and has forgotten the gift.

Consider the concepts referred to in the words 'where', 'when', 'why', 'being', to the elucidation of which innumerable volumes of philosophy have been devoted. We fare no better in our speculations than a fish which should strive to become clear as to what is water.

A perfection of means, and confusion of aims, seems to be our main problem.

The secret to creativity is knowing how to hide your sources.