对死亡的回避是不健康和异常的，它使生命第二阶段失去目标。
数学中最令人兴奋的时刻是当你发现两个看似不相关的领域有着深刻的联系。
Efficiency is highly overrated； Goofing off is highly underrated. Regularly scheduled sabbaths， sabbaticals， vacations， breaks， aimless walks and time off are essential for top performance of any kind. The best work ethic requires a good rest ethic.