“Today is the tomorrow you worried about yesterday” -Proverb
“You can't have a better tomorrow if you are thinking about yesterday all the time.”
-Charles F. Kettering
“The future is called 'perhaps,' which is the only possible thing to call the future. And the important thing is not to allow that to scare you.” -Tennessee Williams
“If you don't know where you are going, any road will get you there.” -Lewis Carrol
“We're so busy watching out for what's just ahead of us that we don't take time to enjoy where we are.” -Calvin & Hobbes
“Do not spoil what you have by desiring what you have not; remember that what you now have was once among the things you only hoped for.” -Epicurus