Leonardo da Vinci

“While I thought I have been learning how to live, I have been learning how to die.”

“Truth was the only daughter of Time.”

“Experience never errs; it is only your judgments that err by promising themselves effects such as are not caused by your experiments.”

“Obstacles cannot crush me. Every obstacle yields to stern resolve. He who is fixed to a star does not change his mind.”

“The greatest deception men suffer is from their own opinions.”

“The water you touch in a river is the last of that which has passed, and the first of that which is coming. Thus it is with time present.”

“The acquisition of any knowledge is always of use to the intellect, because it may thus drive out useless things and retain the good. For nothing can be loved or hated unless it is first known.”

“Learning acquired in youth arrests the evil of old age; and if you understand that old age has wisdom for its food, you will so conduct yourself in youth that your old age will not lack for nourishment.”

“Wisdom is the daughter of experience.”

“Whoever in discussion adduces authority uses not intellect but rather memory.”

“Iron rusts from disuse; stagnant water loses its purity and in cold weather becomes frozen; even so does inaction sap the vigor of the mind.”

“As a well-spent day brings happy sleep, so life well used brings happy death.”