The universe is a pretty big place. If it's just us, seems like an awful waste of space.
数学的本质在于它的自由。
The true value of farming lies not just in the harvest, but in the legacy we leave for future generations.
To live remains an art which everyone must learn,and which no one can teach.
管理是企业的核心,只有科学管理才能提高效率。