Quotes on knowledge.

The true sign of intelligence is not knowledge but imagination.
- Albert Einstein

Ignorance more frequently begets confidence than does knowledge: it is those who know little, and not those who know much, who so positively assert that this or that problem will never be solved by science.
- Charles Darwin

Knowledge is love and light and vision.
- Helen Keller

Formal education will make you a living; self-education will make you a fortune.
- Jim Rohn

The difference between a successful person and others is not a lack of strength, not a lack of knowledge, but rather a lack of will.
- Vince Lombardi