清洁：身体、衣服及住所，力求整洁。
CLEANLINESS. Tolerate no uncleanliness in body, cloaths, or habitation.
"The future is always a whirring blur, a possibility, not a place."
最好的设计来自于限制，而非无限的可能性。
Give the pupils something to do, not something to learn; and the doing is of such a nature as to demand thinking; learning naturally results.
On the path of science, there are no smooth roads to take; only those who are not afraid of hard work and climb the steep mountain paths have the hope of reaching the glorious summit.
你忘记了你想记住的，却记住了你想忘记的。
The truth is rarely pure and never simple.
The moment of explosion is the fusion of art and nature. 爆炸的瞬间是艺术与自然的融合。
"The world is a very puzzling place, and it is a great privilege to be able to think about it."