青春不是年华，而是心境；青春不是桃面、丹唇、柔膝，而是深沉的意志，恢宏的想象，炙热的恋情；青春是生命的深泉在涌流。
Youth is not a time of life; it is a state of mind; it is not a matter of rosy cheeks, red lips and supple knees; it is a matter of the will, a quality of the imagination, a vigor of the emotions; it is the freshness of the deep springs of life.
I love to think of nature as an unlimited broadcasting station, through which God speaks to us every hour, if we will only tune in.
生活不是我们经历的，而是我们记住的以及如何记住并讲述它。
Sometimes I just feel like quitting, but then I think about all the people I’d be letting down.
λ演算的基本概念是函数，被视为一种对应规则。
哲学是对智慧的永恒追求。