谄媚像九尾狐,灵巧像百舌鸟,可悲啊,使七尺之躯蒙羞。暴戾如三脚老虎,恶毒如两头蛇,可惜你的心已败坏。
To eat bread without hope is still slowly to starve to death.
If I have seen further, it is by standing on the shoulders of giants.
Don't watch the clock; do what it does. Keep going.
The only thing we can know is that we know nothing and that is the highest flight of human wisdom.