Real knowledge is to know the extent of one's ignorance.

It is not ignorance but knowledge which is the mother of wonder.

As knowledge increases wonder deepens.

Wonder rather than doubt is the root of all knowledge.

Thought is the wind knowledge the sail and mankind the vessel.

The fact that I can plant a seed and it becomes a flower share a bit of knowledge and it becomes another's smile at someone and receive a smile in return are to me continual spiritual exercises.

Melville brought to the task a sound knowledge of actual whaling much curious learning in the literature of the subject and above all an imagination which worked with great power upon the facts of his own experience.

No matter how mistaken Communist ideas may be the experience and knowledge gained by trying them out have given a tremendous impetus to thought and imagination.

Today mythical thinking has fallen into disrepute we often dismiss it as irrational and self-indulgent. But the imagination is also the faculty that has enabled scientists to bring new knowledge to light and to invent technology that has made us immeasurably more effective.

Fools act on imagination without knowledge pedants act on knowledge without imagination.

Those Dutchmen had hardly any imagination or fantasy but their good taste and their scientific knowledge of composition were enormous.

Knowledge is a polite word for dead but not buried imagination.

The true sign of intelligence is not knowledge but imagination.

Imagination is more important than knowledge.

In some sort of crude sense which no vulgarity no humor no overstatement can quite extinguish the physicists have known sin and this is a knowledge which they cannot lose.

In conversation humor is worth more than wit and easiness more than knowledge.

With our knowledge of modern-day genetics we realize that it was possible for God to place the potential for all people throughout history into the genes of Adam and Eve when He created them.