Waste is just raw material in the wrong place.

In the quantum world, observing something changes it. This is not a limitation of our technology, but a fundamental property of nature.

经济的关键是适度的竞争，而不是垄断。

可持续性不是选择，而是我们对后代的责任。

不是锤的敲打，乃是水的载歌载舞，使鹅卵石臻於完美。

"The present is a fleeting moment, but the past is eternal."

Self-love， then， is a necessary principle of action.

Psychology must bridge the gap between theory and practical life.