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.

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

The self is not something ready-made but something in continuous formation through choice of action.

Education is a social process, education is growth, education is not a preparation for life but is life itself.