The only good is knowledge, and the only evil is ignorance.

Millions saw the apple fall, but Newton was the one who asked why.

Don't give up. Obstacles can be overcome through strategy and learning.

Curiosity is the wick in the candle of learning.

Education is what remains after one has forgotten what one has learned in school.

Every addition to true knowledge is an addition to human power.

A happy life is one spent learning, earning, and yearning.

Learning too soon our limitations, we never learn our powers.

Knowledge is a process of piling up facts; wisdom lies in their simplification.

Great minds have purposes; others have wishes.