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.
The best stories are those that leave room for the reader to imagine.
真正的领导力是激励他人实现他们认为不可能的事情。
The best way to help people is not to do things for them, but to help them do things for themselves.
让女性成为理性的生物和自由的公民，她们很快就会成为好妻子；——也就是说，如果男性不忽视丈夫和父亲的职责。
The study of automata and formal languages is fundamental to understanding the limits of computation.