信仰是生命的意义，这种感觉使人不毁灭自己，而是继续活下去。
Faith is the sense of life, that sense by virtue of which man does not destroy himself, but continues to live on.
纯数学和应用数学之间的相互作用是真正创新发生的地方。
The best picture books are those that respect the child’s intelligence and imagination.
技术应该服务于人，而不是让人去适应技术。
一个人的死亡是悲剧，数百万人的死亡是统计数字。
Science is a collaborative effort. No one makes discoveries alone.