1981  Good friends, good books, and a sleepy conscience: this is the ideal life.

2510  “Friendship is born at that moment when one person says to another: "What! You too? I thought I was the only one.”

1508  The greatest way to live with honor in this world is to be what we pretend to be.

658  There are only two mistakes one can make along the road to truth; not going all the way, and not starting

1760  An error can never become true however many times you repeat it. The truth can never be wrong, even if no one hears it.