The Future
See also: Time
Headed for the Future 
The trouble with our times is that the future is not what it used to be Paul Valery
We know nothing of what will happen in the future, but by the analogy of experience Abraham Lincoln
Remember, today is the tomorrow you worried about yesterday Dale Carnegie
The future is a convenient place for dreams Anatole France
I never think of the future. It comes soon enough. Albert Einstein
We know what we are, but know not what we may be William Shakespeare
You can never plan the future by the past Edmund Burke
I know of no way of judging the future but by the past Patrick Henry