我们养殖的每一条鱼，都意味着少从野外捕捞一条。

Old paint on canvas, as it ages, sometimes becomes transparent. When that happens it is possible, in some pictures, to see the original lines: a tree will show through a woman's dress, a child makes way for a dog, a large boat is no longer on an open sea. That is called pentimento because the painter 'repented,' changed his mind. Perhaps it would be as well to say that the old conception, replaced by a later choice, is a way of seeing and then seeing again.

时间并非实物，因此我们既无法浪费也无法节省；它始终与我们同在。

数学的本质不是使简单的事物复杂化，而是使复杂的事物简单化。

石油行业不仅仅是关于资源开采；它关乎战略远见和技术创新。