I have learned silence from the talkative, toleration from the intolerant, and kindness from the unkind; yet, strange, I am ungrateful to those teachers.
The greatest ability in business is to get along with others and influence their actions. A chip on the shoulder is too heavy a piece of baggage to carry through life.
The true teacher defends his pupils against his own personal influence. He inspires self-trust. He guides their eyes from himself to the spirit that quickens him. He will have no disciples.