说话是一种冒险,但沉默是更大的冒险。
古代著书立说的人,都是有所为而为之,不是随便写写的。
世界充满了如此多的事物,我相信我们都应该像国王一样快乐。
Never stop learning; the world is always changing.
To understand a program you must become both the machine and the program.
The key ingredients of happiness could not be material or aesthetic, but must always stubbornly psychological.