For having lived long, I have experienced many instances of being obliged, by better information or fuller consideration, to change opinions, even on important subjects, which I once thought right but found to be otherwise. – Benjamin Franklin
The world we see that seems so insane is the result of a belief system that is not working. To perceive the world differently, we must be willing to change our belief system, let the past slip away, expand our sense of now, and dissolve the fear in our minds. – William James
Fame is a shuttlecock. If it be struck only at one end of a room, it will soon fall to the floor. To keep it up, it must be struck at both ends. – Johnson