Our life is made by the death of others. - Leonardo da Vinci

"Realize that everything connects to everything else."

"Wisdom is the daughter of experience"

"Once you have tasted flight, you will forever walk the earth with your eyes turned skyward, for there you have been, and there you will always long to return."

"The acquisition of 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."

"The human foot is a masterpiece of engineering and a work of art."