可持续性不再是可选项，而是当今世界生存的必要条件。

I can't understand why people are frightened of new ideas. I'm frightened of the old ones.

Nothing is more precious than independence and freedom.

感官训练可以培养敏锐的观察者，适应现在的文明时代，更能实际地应用于日常生活中。

也许你高估了你所没有的，低估了你所做的。

It is hard to read a newspaper or watch a television newscast without encountering someone who has come up with a new 'solution' to society's 'problems.'