Will inertia be your guide， or will you follow your passions？

When public speaking， pause frequently. Pause before you say something in a new way， pause after you have said something you believe is important， and pause as a relief to let listeners absorb details.

如果你不顽强，你就会过早放弃试验。如果你不灵活，你就会以头撞墙，而不会找到解决问题的不同办法。

使我们成为人类的东西也是使我们脆弱的东西。