Shun those studies in which the work that results dies with the worker.

Merely gathering knowledge may become the most useless work a man can do. What can you do to help and heal the world? That is the educational test.

What is important is not the quantity of your knowledge but its quality. You can know many things without knowing the most important.

The most important knowledge is that which guides the way you lead your life.

Read 500 pages every day. That's how knowledge works. It builds up like compound interest.

Imagination is more important than knowledge.