The older I get， the more wisdom I find in the ancient rule of taking first things first—a process which often reduces the most complex human problem to a manageable proportion.

The waterfall sing， I find my song， when I find my freedom。

复杂容易，简单难。

【大意】古来圣哲不珍视直径成尺的璧玉，却珍重每一寸光阴，因为时间最是难得，却最容易失去。