Learning is not simply the accumulation of knowledge but the transformation of understanding.
The most important political virtue is moderation.
嗅觉系统的美在于它既简单又复杂,使我们能够检测和区分几乎无限数量的气味。
幸福不是现成的,它来自你自己的行动。
Every tree planted today is an investment in tomorrow’s world.