“If one does not know to which port one is sailing, no wind is favorable ”

“Man has lost the capacity to foresee and to forestall. He will end by destroying the earth”

“If one way be better than another, that you may be sure is nature's way”

“A hen is only an egg's way of making another egg ”

“Do not go where the path may lead, go instead where there is no path and leave a trail”

“What you get by achieving your goals is not as important as what you become by achieving your goals ”