The beauty of a mathematical proof is in its elegance and the way it reveals the underlying truth in a clear and concise manner.
Act as if what you do makes a difference. It does.
The future of forestry lies in sustainable practices that balance economic growth with environmental stewardship.
生活教会了我思考，但思考却没有教会我生活。
No one is an artist unless he carries his picture in his head before painting it.