经验是个很苛刻的老师，因为她总是一上来就把你考倒，然后才给你上课。
For something,we can't understand when we are young but by the time we understand,we are no longer young. 有些事情，当我们年轻的时候无法懂得，当我们懂得的时候已不再年轻。
Everything that is happening at this moment is a result of the choices you’ve made in the past. 现在的一切皆为果，而你过去曾做的那些选择皆为因。
Life is not measured by the number of breaths we take, but by the moments that take our breath away.
