不采取行动的代价远远大于犯错误的成本。
The price of inaction is far greater than the cost of making a mistake.
"You have to dream, you have to have a vision, and you have to set a goal for yourself that might even scare you a little because sometimes that seems far beyond your reach."
每个生物都在为生存而斗争。
一个奇怪的事实是,根据是从生物学还是地球物理学的角度来探讨问题,关于地球史前条件的结论完全相反,这反映了我们目前知识的不完整状态。