You'll never find a rainbow if you're looking down

Nothing is permanent in this wicked world, not even our troubles.

Optimism and Pessimism are two buttons that every human being has inside of them. Whether you decide to press Optimism or Pessimism depends on you. No one else, no matter how much they intervene or struggle, can decide this for you. Only you and you alone have the power, so don't give others that power.

Optimism is denial for chumps with no life experience".
"What's pessimism?" I said.
"Religion without God.

So desperate was Kugel for things to turn out for the best, proclaimed Professor Jove, that he couldn't stop worrying about the worst. Hope, said Professor Jove, was Solomon Kugel's greatest failing.

I will be the first to admit that I am a pessimist by nature. It is, after all, the wisest way to be. We pessimists have everything to gain, whereas optimists have a fifty-fifty chance of being disappointed.