You could be the most beautiful person in the world and everybody sees light and rainbows when they look at you, but if you yourself don't know it, all of that doesn't even matter.
快乐有益于身体，但悲伤才能发展心灵的力量。
学习是系统中产生的任何变化，这种变化或多或少会永久性地改变其适应环境的能力。
The people who are crazy enough to think they can change the world are the ones who do.
A city’s architecture should reflect its soul.