True happiness is... to enjoy the present, without anxious dependence upon the future.
FUTURE, WITHOUT ANXIOUS DEPENDENCE UPON THE FUTURE
Every great work of art has two faces, one toward its own time and one toward the future, toward eternity.
Some of the best lessons we ever learn are learned from past mistakes. The error of the past is the wisdom and success of the future.
Change is the law of life. And those who look only to the past or present are certain to miss the future.
FUTURE, CHANGE IS THE LAW OF LIFE
Always remember that the future comes one day at a time.
FUTURE, FUTURE COMES ONE DAY AT A TIME
The past is really almost as much a work of the imagination as the future.
FUTURE, IMAGINATION AS THE FUTURE