We don't inherit the earth from our ancestors; we borrow it from our children.
To live is to embrace the contradictions of life.
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。
爱在知识的尽头开始。
The most exciting moments in mathematics are when you discover something that was hidden in plain sight.