This is the law of the Yukon, that only the strong shall thrive; that surely the weak shall perish, and only the fit survive.

It isn't the mountain ahead that wears you out; it's the grain of sand in your shoe.

Be master of your petty annoyances and conserve your energies for the big, worthwhile things. It isn't the mountain ahead that wears you out - it's the grain of sand in your shoe.

Our breath is brief, and being so Let's make our heaven here below, And lavish kindness as we go.

A promise made is a debt unpaid.

Just draw on your grit; it's so easy to quit - It's the keeping your chin up that's hard.

Be sure your wisest words are those you do not say.

No man can be a failure if he thinks he's a success; If he thinks he is a winner, then he is.

The Wanderlust has got me... by the belly-aching fire

It's the steady, quiet, plodding ones who win in the lifelong race.

Now a promise made is a debt unpaid, and the trail has its own stern code.

So many people of liberal persuasion value their own progressive opinions more than they value the people they hold those opinions about.

What the hell difference does it make left or right? There were good men lost on both sides.

Always keep things in perspective.

The uncontested absurdities of today are the accepted slogans of tomorrow.

Today’s decision was a victory for people all across this country whose lives will be more secure.

I don't believe government should take over, you know, the grocery store down the street or own the means of production.

The White House says they will release the Osama bin Laden death photo. Better yet, they're doing it on a set of limited edition commemorative plates.

You never worry about the last laugh if you've been laughing the whole time

Failure is no more fatal than success is permanent.

It's absolutely fatal to your writing to think about how your work will be received. It's a betrayal of whatever talent you have.