We cannot despair about mankind knowing that Mozart was a man.

What is inconceivable about the universe is that it is at all conceivable.

But without deeper reflection one knows from daily life that one exists for other people--first of all for those upon whose smiles and well-being our own happiness is wholly dependent, and then for the many, unknown to us, to whose destinies we are bound by the ties of sympathy.

That is the way to learn the most, that when you are doing something with such enjoyment that you don't notice that the time passes.

Considered logically this concept is not identical with the totality of sense impressions referred to; but it is an arbitrary creation of the human (or animal) mind.

The road to perdition has ever been accompanied by lip service to an ideal.

While it is true that science, to the extent of its grasp of causative connections, may reach important conclusions as to the compatibility and incompatibility of goals and evaluations, the independent and fundamental definitions regarding goals and values remain beyond science's reach.