The function of education is to teach one to think intensively and to think critically.
——《在广州中国国民党恳亲大会的演说》（1923年10月15日）
我们都是时间旅行者，以生命的速度向前移动，但总是回头看。
The most important skill in mathematics is the ability to think clearly.
质量始于农场，卓越来自于对细节的不懈关注。
The highest manifestation of life consists in this: that a being governs its own actions. A thing which is always subject to the direction of another is somewhat of a dead thing.
