There is no greater sorrow than to recall happiness in times of misery.
在科学中,我们站在巨人的肩膀上,但我们的责任是达到更高的高度。
可持续性不仅仅是一种趋势,而是我们星球生存的必要条件。
To live is the rarest thing in the world. Most people exist, that is all.
一个灰色的回忆,怎能抗衡现在的生动与自由。