When action is needed, optimism, even of the mildly delusional variety, may be a good thing.Nobel laureate Daniel Kahneman, quoted in NYMag.com.

Every time a friend succeeds, something inside me dies.Gore Vidal, quoted in The Wall Street Journal

You don’t love yourself enough. Or you’d love your nature too, and what it demands of you.Marcus Aurelius, quoted in BrainPickings.org

To be desired is perhaps the closest anybody in this life can reach to feeling immortal.Critic John Berger, quoted in TheGuardian.com

Great talents encourage great incapacities, but maintaining an inability to cook an egg or drive a car won’t make you into a genius.Poet and memoirist Sarah Manguso, quoted in The Paris Review

Each one wraps himself in what burns him.Dante Alighieri, quoted in Forward.com

When someone shows you who they are, believe them the first time.Maya Angelou, quoted in TheRoot.com