What we know is little, and what we are ignorant of is immense.

The problem with quantitative easing is that it works in practice but it doesn't work in theory.

解释：苦味食物走骨，骨病的人不宜多食，体现了中医五味与五脏的关系。

表演是一门需要不断练习和奉献的技艺。

People can be divided into these types: strangers, acquaintances, familiar people, friends, and close friends. True friendship isn't about compliments to your face, but whether you're mentioned when they talk about friends behind your back.

True leadership is about creating an environment where others can thrive.