没有方法能使时钟为我敲已过去了的钟点。
The joy of mathematics is in the struggle to understand.
【释义】集市上没有老虎是很明显的事,但是三个人说有老虎,就好像真的有老虎了。
The most sustainable farm is the one that remains profitable year after year.
The harder you work, the luckier you get.