In our reasonings concerning matter of fact， there are all imaginable degrees of assurance， from the highest certainty to the lowest species of moral evidence.

"Imagination is the key that unlocks the door to possibility."

I don’t ask writers about their work habits. I really don’t care. Joyce Carol Oates says somewhere that when writers ask each other what time they start working and when they finish and how much time they take for lunch, they’re actually trying to find out, ‘Is he as crazy as I am?’ I don’t need that question answered.

遗传不过是储存的环境。

"The key to success is to focus on goals, not obstacles."

Those who deny freedom to others, deserve it not for themselves; and, under a just God, can not long retain it.