Beauty is how you feel inside and it reflects in your eyes. It is not something physical.
美是你内心的感受，它会反映在你的眼睛里。它不是物质的东西。
The joy of discovery is not in the recognition but in the knowledge that you’ve contributed something meaningful.
It is sadder to find the past again and find it inadequate to the present than it is to have it elude you and remain forever a harmonious conception of memory.
数学中的合作可以带来任何单一思维都无法独自实现的发现。
The consistency of your endeavors (exercise， companionship， work) is more important than the quantity. Nothing beats small things done every day， which is way more important than what you do occasionally.