所有的暴力都包含一些人强迫另一些人，在痛苦或死亡的威胁下，做他们不想做的事。
All violence consists in some people forcing others, under threat of suffering or death, to do what they do not want to do.
逃脱历史重负的唯一方法就是书写它。
Stories you read when you're the right age never quite leave you. You may forget who wrote them or what the story was called. Sometimes you'll forget precisely what happened, but if a story touches you it will stay with you, haunting the places in your mind that you rarely ever visit.
If you cannot do it, then teach.
Trust is the foundation of any successful business relationship.
The history of mathematics is a history of human thought and progress.