The best way to predict the future is to create it.

The study of mathematics is the indispensable basis for all intellectual and spiritual progress.

The mind is a stream of processes, not a collection of objects.

You wear your honor like a suit of armor. You think it keeps you safe, but all it does is weigh you down and make it hard for you to move.

事情过后议论别人，身在局外议论局内人，是做学问的人最容易犯的毛病。在事后议论别人，往往将聪明人说得极其愚笨；身在局外议论局内的人，往往将困难的事情说得极其容易，这两种毛病都是由待人不忠诚、不宽容而引起的。