行为法则与物理学法则一样精确。
The laws of behavior are as precise as those of physics.
We are to remember that we are not to take anything with us out of this world, and that it is how we have conducted ourselves here that will matter in the end.
我试图让每一个地方都比我发现它时更好一点。
我们开采的岩石讲述着地球的故事；我们只是这份遗产的临时保管者。
Emotions are not just reactions; they are also predictors of our future behavior.