Every great advance in science has issued from a new audacity of the imagination.

Conflict is the gadfly of thought. It stirs us to observation and memory. It instigates to invention. It shocks us out of sheeplike passivity, and sets us at noting and contriving.

Arriving at one point is the starting point to another.

Conflict is the gadfly of thought. It stirs us to observation and memory. It instigates to invention. It shocks us out of sheeplike passivity, and sets us at noting and contriving.

Without some goals and some efforts to reach it, no man can live.

Every great advance in science has issued from a new audacity of the imagination.