„If you can't you must, and if you must you can.“

„Kill what you can't save
what you can't eat throw out
what you can't throw out bury

What you can't bury give away
what you can't give away you must carry with you,
it is always heavier than you thought.“

—  Margaret Atwood Canadian writer 1939

Source: You are Happy

„Before you can inspire with emotion, you must be swamped with it yourself. Before you can move their tears, your own must flow. To convince them, you must yourself, believe.“

—  Winston S. Churchill Prime Minister of the United Kingdom 1874 - 1965

„You must surrender before you can guide.“

—  Robert Jordan, Lord of Chaos

Theodrin Dabei to Nynaeve al'Meara
Lord of Chaos (15 October 1994)

„Cheat your landlord if you can and must, but do not try to shortchange the Muse. It cannot be done. You can't fake quality any more than you can fake a good meal.“

—  William S. Burroughs, book The Western Lands

Source: The Western Lands (1987), ch. 2

„Iorek Byrnison: Can is not the same as must.
Lyra Silvertongue: But if you must and you can, then there's no excuse.“

—  Philip Pullman, book The Amber Spyglass

Source: The Amber Spyglass

„Be pretty if you can, be witty if you must, but be gracious if it kills you.“

—  Elsie De Wolfe American interior decorationinterior decorator 1865 - 1950

„You can be anyone you want, but you must be real. “

—  Jared Leto American actor and musician 1971

„You can't be boring. Life is boring. The weather is boring. Actors must not be boring.“

—  Stella Adler American actress and teaching coach 1901 - 1992

Obituary in New York Times

„I can't do everything for you. You must walk alone to find your soul.“

—  Laurie Halse Anderson, Speak

Variant: You must walk alone to find your soul.
Source: Speak

„You must be the person you have never had the courage to be. Gradually, you will discover that you are that person, but until you can see this clearly, you must pretend and invent.“

—  Paulo Coelho Brazilian lyricist and novelist 1947

„You must carry on my spirit. It can no longer be carried by a god. It must be taken up by all of you. - Pan“

—  Rick Riordan, book The Battle of the Labyrinth

Source: The Battle of the Labyrinth

„The little things, I can obey. The big things—how we think, what we value—those you must choose yourself. You can't let anyone—or any society—determine those for you.“

—  Mitch Albom, Tuesdays with Morrie

Source: Tuesdays with Morrie

„Fox the fox
Rat on the the rat
You can ape the ape
I know about that
There is one thing you must be sure of
I can't take any more
Darling, don't you monkey with the monkey.“

—  Peter Gabriel English singer-songwriter, record producer and humanitarian 1950

Shock The Monkey
Song lyrics, Security (1982)

„You can not buy health, you must earn it through healthy living.“

—  Joel Fuhrman Family Physician and author 1953

From the homepage of his official website DrFuhrman.com https://web.archive.org/web/20170831072629/https://www.drfuhrman.com/ (August 2017).

„You must be filled with expectancy. You must be awash in hope. You must wonder who will love you, whom you will love next.“

—  Kate DiCamillo, book The Miraculous Journey of Edward Tulane

Source: The Miraculous Journey of Edward Tulane

„You can sing only what you are. You can paint only what you are. You must be what your experiences, your environment, and your heredity have made you. For better or for worse, you must play your own little instrument in the orchestra of life.“

—  Dale Carnegie, book How to Stop Worrying and Start Living

Source: How to Stop Worrying and Start Living

„It's the moment you think you can't, that you can“

—  Céline Dion Canadian singer 1968

„Anyone can do well … It’s all out there waiting for you to take. But first you must reach out and get it. You must work for your riches. You cannot expect it to fall into your lap.“

—  Cary Grant British-American film and stage actor 1904 - 1986

„What you cannot escape, you must fight; what you cannot fight, you must endure.“

—  Lilith Saintcrow American writer 1976

Source: The Devil's Right Hand