President Barack Obama smiles at the annual White House Correspondent's Association Gala at the Washington Hilton hotel April 25, 2015 in Washington, D.C. Getty Images

Monday is International Happiness Day, a United Nations-sanctioned holiday intended to remind people worldwide of the importance of working toward happiness in their lives. Ever since 2011, the UN has requested "a more inclusive, equitable and balanced approach to economic growth that promotes the happiness and well-being of all peoples" pegged to Monday's celebration, according to its website.

Whether it's petting a fluffy dog, wearing a comfy sweater or enjoying a stiff drink that fills you with joy, make sure to make some time Monday to observe International Happiness Day. Here are a few positive quotes to get you started:

“If you want to be happy, do not dwell in the past, do not worry about the future, focus on living fully in the present.” — Roy T. Bennett

“To be happy, we must not be too concerned with others.” — Albert Camus

“Don't cry because it's over, smile because it happened.” — Dr. Seuss

Read: Why Being In A Relationship Is Good For Your Health

“Happiness is not a goal…it’s a by-product of a life well lived.” — Eleanor Roosevelt

“If you have good thoughts they will shine out of your face like sunbeams and you will always look lovely.” — Roald Dahl

“Happiness is a choice that requires effort at times.” — Aeschylus

“Sometimes your joy is the source of your smile, but sometimes your smile can be the source of your joy.” — Thich Nhat Hanh

“For every minute you are angry you lose 60 seconds of happiness.” — Ralph Waldo Emerson

“Happiness is not something ready made. It comes from your own actions.” — Dalai Lama XIV

“Worry never robs tomorrow of its sorrow. It only saps today of its joy.” — Leo Buscaglia

“Happiness is the secret to all beauty. There is no beauty without happiness.” — Christian Dior

“Happiness is a warm puppy.” — Charles M. Schulz

“Your work is discover your world and then with all your heart give yourself to it.” — Buddha

“I don't know what good it is to know so much and be smart as whips and all if it doesn't make you happy.” — J.D. Salinger

“Life will bring you pain all by itself. Your responsibility is to create joy.” — Milton Erickson

“Happiness is found in doing, not merely possessing.” — Napoleon Hill

“If you want to find happiness, find gratitude.” — Steve Maraboli