If you get up in the morning and think the future is going to be better, it is a bright day. Otherwise, it's not.
We are all in the gutter, but some of us are looking at the stars.
A pessimist sees the difficulty in every opportunity; an optimist sees the opportunity in every difficulty.
The optimist thinks this is the best of all possible worlds. The pessimist fears it is true.
Any man who is a bear on the future of this country will go broke.
It is the obstinacy of maintaining that everything is best when it is worst.
Optimism sets the tone for the entire organization. People tend to approach their work with the same enthusiasm and energy as their leader.