We must not expect simple answers to far-reaching questions. However far our gaze penetrates, there are always heights beyond which block our vision.

But harmony is limitation. Thus rightness of limitation is essential for growth of reality. Unlimited possibility and abstract creativity can procure nothing.

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.

Philosophy is the self-correction by consciousness of its own initial excess of subjectivity.

Youth is life as yet unblemished by much tragedy, but hardly by TV.

Everyone is a philosopher. Not everyone is good at it.

Inventive genius requires pleasurable mental activity as a condition for its vigorous exercise. "Necessity is the mother of invention" is a silly proverb. "Necessity is the mother of futile dodges" is much closer to the truth. The basis of growth of modern invention is science, and science is almost wholly the outgrowth of pleasurable intellectual curiosity.