For the past 33 years， I have looked in the mirror every morning and asked myself: 'If today were the last day of my life， would I want to do what I am about to do today？' And whenever the answer has been 'No' for too many days in a row， I know I need to change something.
Don't stop when you're tired. Stop when you're done.
"The world is full of magic things, patiently waiting for our senses to grow sharper."
最好的实验往往源于简单的想法和细致的观察。
Life is too precious to waste on regrets.
The only way to do something in depth is to work hard.