Look not mournfully into the past. It comes not back again. Wisely improve the present. It is thine. Go forth to meet the shadowy future, without fear.
—Henry Wadsworth Longfellow
We can draw lessons from the past, but we cannot live in it.
—Lyndon B. Johnson
Live neither in the past nor in the future, but let each day's work absorb your entire energies, and satisfy your widest ambition.
—Sir William Osler
I don't think of the past. The only thing that matters is the everlasting present.
—W. Somerset Maugham
Events in the past may be roughly divided into those which probably never happened and those which do not matter.
—William Ralph Inge
Study the past, if you would divine the future.
It's no use going back to yesterday, because I was a different person then.
—Lisa Schroeder in Far from You
With the past, I have nothing to do; nor with the future. I live now.
—Ralph Waldo Emerson
The secret of health for both mind and body is not to mourn for the past, nor to worry about the future, but to live in the present moment wisely and earnestly.
—The Teaching of Buddha