忠于自己，但始终乐于学习。
The best teacher is the one who suggests rather than dogmatizes, and inspires his listener with the wish to teach himself.
注释：杜绝不良嗜好和欲望，这样才能免除负累。抑制不合理的行为，减少邪恶的行径，这样可以避免过失。远离酒色，这样才能保持自身清白。
"The world is full of obvious things which nobody by any chance ever observes."
一八一四年，俄、奥、普联军兵临巴黎城下，理工学校学生要求参战。后来，这句名言被刻在巴黎理工学校梯型大教室的天花板正中心，一直激励着该校师生奋发好学。
O tempo é o melhor autor: sempre encontra um final perfeito.
Build quality projects with craftsmanship, earn market respect with integrity.