数学的本质不是使简单的事情复杂化，而是使复杂的事情简单化。
"The essence of mathematics is not to make simple things complicated, but to make complicated things simple."
Focus on directions rather than destinations. Who knows their destiny？ But maintain the right direction and you’ll arrive at where you want to go.
当人们说话时，要完全倾听。大多数人从不倾听。
We are what we repeatedly do. Excellence, then, is not an act but a habit.
天下各种力量消长的态势都是逐渐形成的；天下任何事业的成功都是靠日积月累而取得的。
如果我们像耕种土地一样耕种海洋，就必须从过去的错误中吸取教训。