Doc's quotes 
Nobody trips over mountains. It is the small pebble that causes you to stumble. Pass all the pebbles in your path and you will find you have crossed the mountain.
The moral is that there is no such thing as "mere" entertainment. The human mind is an attachment machine, forming emotional bonds with stuffed animals, invertebrates and Izzie Stevens. A good drama might ease our loneliness, but a breakup is still a breakup.
For example, evolution’s beautiful theory of the creation of the world offers many perplexing problems to the inquiring mind. Inevitably, a teacher who denies divine agency in creation, who insists there is no intelligent purpose in it, will infest the student with the thought that all may be chance. I say, that no youth should be so led without a counterbalancing thought. Even the skeptic teacher should be fair enough to see that even Charles Darwin, when he faced this great question of annihilation, that the creation is dominated only by chance wrote: “It is an intolerable thought that man and all other sentient beings are doomed to complete annihilation after such long, continued slow progress.” And another good authority, Raymond West, said, “Why this vast [expenditure] of time and pain and blood?” Why should man come so far if he’s destined to go no farther? A creature that travels such distances and fought such battles and won such victories deserves what we are compelled to say, “To conquer death and rob the grave of its victory
A good friend sees the first tear, catches the second, and stops the third.
I'm not a vegetarian because I love animals. I'm a vegetarian because I hate plants.
The early bird gets the worm, but the late-rising worm lives.
For every difficult and complicated question there is an answer that is simple, easily understood, and wrong.
Friends come and go but enemies accumulate.