Debt is a prolific mother of folly and of crime.
In politics experiments means revolutions.
Protection is not a principle but an expedient
Nurture your mind with great thoughts, for you will never go any higher than you think.
Man is a being born to believe. And if no church comes forward with its title-deeds of truth to guide him, he will find altars and idols in his own heart and his own imagination.
We can know nothing of humankind without knowing something of ourselves. Self-knowledge is the property of those people whose passions have their full play, but who ponder over their results.