"...The world wouldn't be the world, without..." - Quote by Leonardo Da Vinci

“The motive power is the cause of all life.”

“The painter will produce pictures of little merit if he takes the works of others as his standard.”

“Though I may not . . . be able to quote other authors, I shall rely on that which is much greater and more worthy - on experience.”

“It's harder for a leader to be born in a palace than to be born in a cabin.”

“Drudgery, calamity, exasperation, want, are instructors in eloquence and wisdom.”

“It is... very helpful to think of adversity not so much as a threat to our peace of mind but rather as the very means by which patience is attained.”

“There are dreadful moments when death comes very near those we love, even if for the time being it passes by. But life is a great adventure, and the worst of all fears is the fear of living.”

“Earth laughs in flowers to see her boastful boys Earth-proud, proud of the earth which is not theirs; Who steer the plough, but cannot steer their feet Clear of the grave.”

“This life is worth living, we can say, since it is what we make it.”