Agriculture is the foundation of civilization, and we must treat it with the respect it deserves.

To write is to leave a part of yourself behind.

孔子说：“陪君子说话要注意三种毛病：没到说的时候就说，叫做急躁；到该说的时候不说，叫做隐瞒；不顾对方的表情就说，叫做睁眼瞎。”

The artist must be both poet and engineer.

To understand just one life, you have to swallow the world.

化合价的概念是理解化学键的关键。