Every thought is a seed. If you plant crab apples, don’t count on harvesting Golden Delicious.
Pessimists have already begun to worry about what is going to replace automation.
A pessimist is an optimist with experience.
The optimist thinks this is the best of all possible worlds. The pessimist fears it is true.
There is no sadder sight than a young pessimist, except an old optimist.
He is looking only on the black side, but it is doubtful whether there is any bright side to look on.
The man who is a pessimist before forty-eight knows too much; if he is an optimist after it he knows too little.
There is enough light for those who desire to see, and enough darkness for those of a contrary disposition.
Pessimist: one who, when he has the choice of two evils, chooses both.
Your morning thoughts may determine your conduct for the day. Optimistic thoughts will make your day bright and productive, while pessimistic thinking will make it dull and wasteful.