Leonardo da Vinci

“I have offended God and mankind because my work didn't reach the quality it should have.”

“All our knowledge has its origins in our perceptions.”

“In rivers, the water that you touch is the last of what has passed and the first of that which comes; so with present time.”

“Poor is the pupil who does not surpass his master.”

“It's easier to resist at the beginning than at the end.”

“Tears come from the heart and not from the brain.”

“Just as courage is the danger of life, so is fear its safeguard.”

“Where there is shouting, there is no true knowledge.”

“Time stays long enough for anyone who will use it.”

“I have wasted my hours.”