Will Artist Eyes Earth scientist For once you have tasted flight you will walk the earth with your eyes turned skywards, for there you have been and there you will long to return. - Leonardo da Vinci
Truth Beyond a doubt truth bears the same relation to falsehood as light to darkness. - Leonardo da Vinci
Ignorance Blinding ignorance does mislead us. O! Wretched mortals, open your eyes! - Leonardo da Vinci
Intelligence Anyone who conducts an argument by appealing to authority is not using his intelligence; he is just using his memory. - Leonardo da Vinci
Marriage Hope Marriage is like putting your hand into a bag of snakes in the hope of pulling out an eel. - Leonardo da Vinci
If you see the President, tell him from me that whatever happens there will be no turning back. - Ulysses S. Grant
And History will smile to think that this is the species for which Socrates and Jesus Christ died. - Julien Benda
If a person studies too much and exhausts his reflective powers, he will be confused, and will not be able to apprehend even that which had been within the power of his apprehension. For the powers of the body are all alike in this respect. - Maimonides