Here's a few inspirational quotes I love. 

“Many of life's failures are people who do not realize how close they were to success when they gave up.” - Thomas A. Edison

“If you want to live a happy life, tie it to a goal, not to people or things.” - Albert Einstein

“Sing like no one's listening, love like you've never been hurt, dance like no body's watching, and live like it's Heaven on Earth.” - (Attributed to various resources)

“My mama said, life is like a box of chocolates. You never know what you're gonna get.” - Forrest Gump

“Life is the flower of which love is the honey.” - Victor Hugo

“The best way to predict your future is to create it.” - Abraham Lincoln

“Life is what happens when you're busy making other plans.” - John Lennon