数学不是观赏性运动,你必须参与其中才能理解。
A writer is someone who has taught his mind to misbehave.
可持续性不是选择,而是农业的唯一前进道路。
当你需要帮助的时候,你可以求助于自己的双手。
Life is too short to be living somebody else's dream.