"Perseverance is neither praiseworthy nor blameworthy; for..." - Quote by Francois De La Rochefoucauld

“Moral severity in women is only a dress or paint which they use to set off their beauty.”

“Our actions are like blank rhymes, to which everyone applies what sense he pleases.”

“The only security is courage.”

“With freedom comes responsibilities, and I dare not linger, for my long walk has not ended yet.”

“I read my own books sometimes to cheer me when it is hard to write, and then I remember that it was always difficult, and how nearly impossible it was sometimes.”

“None of my inventions came by accident. I see a worthwhile need to be met and I make trial after trial until it comes. What it boils down to is one per cent inspiration and ninety-nine per cent perspiration.”

“How perilous it is to free a people who prefer slavery.”

“Nothing makes a man so selfish as work.”

“Happiness, though an indefinite concept, is the goal of all rational beings”