In darkness, we learn to cherish the light.
"The poet's job is to pay attention, then to pay attention to what they've paid attention to."
所以富贵的人极其奢侈,二孤儿寡妇却受饥挨饿,虽然想天下不乱,也不可能。国君若真的希望天下太平而不希望天下大乱的话,如果要吃喝,就不能不节俭。 
科学的美丽在于它让我们惊讶的能力。