Silent gratitude isn’t much use to anyone.
- G.B. Stern

Who does not thank for little will not thank for much.
- Estonian Proverb

The hardest arithmetic to master is that which enables us to count our blessings.
- Eric Hoffer

Be thankful for what you have; you’ll end up having more. If you concentrate on what you don’t have, you will never, ever have enough.
- Oprah Winfrey

I’m thankful to be breathing, on this side of the grass. Whatever comes, comes.
- Ron Perlman

And it seems there’s always a spoilsport:

Gratitude is a sickness suffered by dogs.
- Joseph Stalin

Gratitude – the meanest and most sniveling attribute in the world.
- Dorothy Parker

I kissed my first girl and smoked my first cigarette on the same day.  I haven’t had time for tobacco since.
- Arturo Toscanini

To cease smoking is the easiest thing I ever did.  I ought to know because I’ve done it a thousand times.
- Mark Twain (?)

Remember, if you smoke after sex you’re doing it too fast.
- Woody Allen

Please, dear God, don’t let me fuck up.
- Alan B. Shepard

I believe every human has a finite number of heartbeats. I don’t intend to waste any of mine.
- Neil Armstrong

Be thankful for problems. If they were less difficult, someone with less ability might have your job.
- James A. Lovell

Reach for the stars.
- Christa McAuliffe

Pray as though everything depended on God. Work as though everything depended on you.
-St. Augustine

If you are what you should be, you will set the whole world ablaze!”
- St. Catherine of Sienna

The only difference between a rut and a grave are the dimensions.
- Ellen Glasgow

You don’t have to become something that you aren’t to become better than you are.
- Sidney Poitier

When you were born, you cried and the world rejoiced. Live your life in such a way that when you die the world cries and you rejoice.
- Native American Proverb

Indecision may or may not be my problem.
- Jimmy Buffett

I must have a prodigious quantity of mind; it takes me as much as a week, sometimes, to make it up.
- Mark Twain

We know what happens to people who stay in the middle of the road. They get run over.
- Aneurin Bevan

Then indecision brings its own delays,
And days are lost lamenting o’er lost days.
Are you in earnest? Seize this very minute;
What you can do, or dream you can, begin it;
Boldness has genius, power and magic in it.
- Johann Wolfgang von Goethe

Money doesn’t make you happy. I now have $50 million, but I was just as happy when I had $48 million.
- Arnold Schwarzenegger

Kissing is like drinking salted water: you drink and your thirst increases
-Chinese Proverb?

He that has satisfied his thirst turns his back on the well.
Baltasar Gracian

To be thirsty and to drink water is the perfection of sensuality rarely achieved. Sometimes you drink water; other times you are thirsty.
José Bergamín

Life can only be understood backwards, but it must be lived forwards.
-Soren Kierkegaard

He who has a why to live can survive almost any how.
-Nietzsche

There are painters who transform the sun to a yellow spot, but there are others who with the help of their art and their intelligence, transform a yellow spot into the sun.
-Pablo Picasso

Computers are Useless. They can only give you answers.
-Pablo Picasso

Inspiration exists, but it has to find us working.
-Pablo Picasso

And this one…

Bad artists copy. Good artists steal.
-Pablo Picasso

… is fitting in light of how this one…

He can who thinks he can, and he can’t who thinks he can’t. This is an inexorable, indisputable law.
-Pablo Picasso

…sounds so much like all of these.