"No sex, age, or condition is above or below the absolute necessity of modesty; but without it one vastly beneath the rank of man."
"It would do the world good if every man would compel himself occasionally to be absolutely alone. Most of the world s progress has come out of such loneliness."
"When you are through changing, you are through."
"Action and reaction, ebb and flow, trial and error, change - this is the rhythm of living. Out of our over-confidence, fear; out of our fear, clearer vision, fresh hope. And out of hope, progress."
"If you can give your child only one gift, let it be enthusiasm."