我们今天划定的伦理界限将塑造明天的科学。
The ethical lines we draw today will shape the science of tomorrow.
The greatest investment you can make is in yourself.
It seems to me that if you or I must choose between two courses of thought or action, we should remember our dying and try so to live that our death brings no pleasure to the world.
有时逃避的最好方式就是面对你正在逃避的东西。