水产养殖的未来在于循环水系统——它们将废物转化为机遇。
对人说话要留有余地,不要一吐为快,不能把心全部交给别人。
言语总是列举商汤与周文王,而行为却比作狗与猪,可悲啊! 
The heart of the Waldorf method is that education is an art—it must speak to the child's experience. To educate the whole child, his heart and his will must be reached, as well as the mind.
计算的目的是洞察,而不是数字。
One should not believe or disbelieve, but rather remain in suspense.
The study of Galois representations is a key to unlocking the mysteries of the Langlands program.