If you have done the best you can do and if you have gotten all you could extract from something, you have given all you had to give, then the time has come when you can do no more than say thank you and move on.
Each person comes into this world with a specific destiny--he has something to fulfill, some message has to be delivered, some work has to be completed. You are not here accidentally--you are here meaningfully. There is a purpose behind you. The whole intends to do something through you.
Whoever fights monsters should see to it that in the process he does not become a monster. And if you gaze long enough into an abyss, the abyss will gaze back into you.
Imagination is more important than knowledge. For knowledge is limited to all we now know and understand, while imagination embraces the entire world, and all there ever will be to know and understand.
You see, wire telegraph is a kind of a very, very long cat. You pull his tail in New York and his head is meowing in Los Angeles. Do you understand this? And radio operates exactly the same way: you send signals here, they receive them there. The only difference is that there is no cat.
"Face the brutes." That is a lesson for all life-face the terrible, face it boldly. Like the monkeys, the hardships of life fall back when we cease to flee before them.