真正的朋友是能看到你眼中痛苦的人,而其他人都只相信你脸上的笑容。
所以江河不嫌弃小溪的水来灌注,就能汇成巨流。被称为圣人的人,不推辞难事,不违背物理,所以能成为天下的大人物。 
The future of livestock lies in balancing productivity with ethical responsibility.
To understand chemistry at its most fundamental level, we must look at the dance of electrons in molecules.