我越是研究染色体，就越意识到正在发生的事情是书本上没有的。
The best way to measure how much you've grown isn't by inches or the number of laps you can now run around the track, or even your grade point average - though those things are important, to be sure.It's what you've done with your time, how you've chosen to spend your days, and whom you've touched this year. That, to me, is the greatest measure of success.
The only person you should try to be better than is the person you were yesterday.