"Learning never exhausts the mind."

— Leonardo da Vinci

"He Who Is Fixed To A Star Does Not Change His Mind."

— Leonardo da Vinci

"Just As Courage Imperils Life, Fear Protects It."

— Leonardo da Vinci

"Life Well Spent Is Long."

— Leonardo da Vinci

"The Function Of Muscle Is To Pull And Not To Push, Except In The Case Of The Genitals And The Tongue."

— Leonardo da Vinci

"A Well-Spent Day Brings Happy Sleep."

— Leonardo da Vinci

"I Have Offended God And Mankind Because My Work Didn'T Reach The Quality It Should Have."

— Leonardo da Vinci

"Where The Spirit Does Not Work With The Hand, There Is No Art."

— Leonardo da Vinci

"Time Stays Long Enough For Anyone Who Will Use It."

— Leonardo da Vinci

"Experience Does Not Err. Only Your Judgments Err By Expecting From Her What Is Not In Her Power."

— Leonardo da Vinci

"Marriage Is Like Putting Your Hand Into A Bag Of Snakes In The Hope Of Pulling Out An Eel."

— Leonardo da Vinci

"You Can Have No Dominion Greater Or Less Than That Over Yourself."

— Leonardo da Vinci