The best and most beautiful things in the world cannot be seen or even touched - they must be felt with the heart.
生物普遍存在的生存斗争不是为了原材料——这些对生物来说是充足的——也不是为了能量,能量以热的形式在任何物体中都大量存在,而是为了熵,熵是通过能量从炽热的太阳转移到寒冷的地球而变得可用的。
The night is a great ocean, but the stars are its waves.