——〈在广州岭南学堂的演说〉，1912年5月7日
从本质上来讲，儿童的爱是单纯的，他爱，是为了获得感官印象，这种印象又给他提供了生长的养料。
O sonho é o que nos faz caminhar, mesmo quando tudo parece perdido.
A fisherman's wisdom combined with scientific data creates the best conservation policies.
It wasn't all romantic. I didn't have a dorm room, so I slept on the floor in friends' rooms, I returned coke bottles for the 5¢ deposits to buy food with, and I would walk the 7 miles across town every Sunday night to get one good meal a week at the Hare Krishna temple. I loved it. And much of what I stumbled into by following my curiosity and intuition turned out to be priceless later on.
每一个实验，无论多么微小，都是迈向更深入理解的一步。