“When it is obvious that the goals cannot be reached, don't adjust the goals, adjust the action steps”

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

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

“My health may be better preserved if I exert myself less, but in the end doesn't each person give his life for his calling?”

“Don't be afraid to give up the good to go for the great ”

“An aim in life is the only fortune worth finding. ”