"Believe that life is worth living and your belief will help create the fact." (William James)

Difficult doesn't mean impossible. It simply means that you have to work hard.

"Act so that every one of your actions is capable of being made into a universal rule." (William Somerset Maugham. The Moon and Sixpence)

"You're better off starting imperfectly than being paralyzed by the hope or the delusion of perfection." (Ryan Holiday)

“Imperfect action is far better than perfect inaction.” (credited to Harry S. Truman)

"Things you own end up owning you." (Fight Club, 1999)

"There is no way to happiness - happiness is the way." (Thich Nhat Hanh - No Death, No Fear)