希望不是一种感觉，而是一种可行的、戏剧性的行动。
The essence of mathematics lies in its freedom.
解析：自然的法则，是损减有余来补充不足；人类社会世俗的作法却不然，而是损减贫穷不足来供奉富贵有余。
The true value of a tree isn't in its board feet, but in its roots and reach.
I only hope that we never lose sight of one thing - that it was all started by a mouse.
The music is the only thing that understands me.