民主是最差的一种政治制度,除了所有那些其他被实验过的政治制度之外。
The best way to predict the future is to create it.
But the old man thought only of his steering and his great tiredness. He had gone out too far and the sharks had beaten him. He knew they would leave him nothing but the stripped skeleton of his great catch.
私下批评,公开表扬。
The pursuit of mathematical knowledge is a journey that never ends; there is always more to discover and understand.