The most powerful tools are those that empower others.
最强大的工具是那些赋予他人力量的工具。
The most powerful art often emerges from the simplest ideas.
永远不要成为房间里最聪明的人;如果你是,那么你进错了房间。
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 disciple.
"The world is changed by your example, not by your opinion."