Don’t worry, be happy. Happiness is the main theme in the following proverbs and quotes.

A calm and humble life will bring more happiness than the pursuit of success and the constant restlessness that comes with it.

Albert Einstein

Agriculture is our wisest pursuit, because it will in the end contribute most to real wealth, good morals, and happiness.

Thomas Jefferson

An agricultural life is one eminently calculated for human happiness and human virtue.

Josiah Quincy

Garlic is not only a flavor, it is the secret of happiness.

Happiness in intelligent people is the rarest thing I know.

Ernest Hemingway

Happiness in marriage is entirely a matter of chance.

Pride and Prejudice
Jane Austen

Happiness is a butterfly.

Happiness is like a butterfly which, when pursued, is always beyond our grasp, but, if you will sit down quietly, may alight upon you.

Nathaniel Hawthorne

Happy is the man who has acquired the love of walking for its own sake!

W.J. Holland

I thought up an ending for my book. “And he lives happily ever after, till the end of his days.”

The Lord of the Rings
J.R.R. Tolkien
Quote from the movie

If more of us valued food and cheer and song above hoarded gold, it would be a merrier world.

The Lord of the Rings
J.R.R. Tolkien

It is impossible to walk rapidly and be unhappy.

Mother Theresa

It is very simple to be happy, but it is very difficult to be simple.

Rabindranath Tagore

Laughter is the best medicine.

Pleasure is always derived from something outside you, whereas joy arises from within.

Eckhart Tolle

The greatest of follies is to sacrifice health for any other kind of happiness.

Arthur Schopenhauer

The key to happiness is good health and a bad memory

Ingrid Bergman

The way of cultivation is not easy. He who plants a garden plants happiness.

Chinese proverb

To be stupid and selfish and to have good health are the three requirements for happiness, though if stupidity is lacking, the others are useless.

Gustave Flaubert

We were idiots really, but awfully happy, too.

The Road to Little Dribbling: More Notes From a Small Island
Bill Bryson