"The best way to predict the future
is to invent it."
-Alan Kay

"Our imagination is the only limit
to what we can hope to have in the future."
-Charles F. Kettering

"The future belongs to those
who prepare for it today."
-Malcolm X

"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

"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

"Never let the future disturb you.
You will meet it, if you have to,
with the same weapons of reason
which today arm you against the present."
-Marcus Aurelius

"When you make a mistake,
don't look back at it long.
Take the reason of the thing
into your mind and then look forward.
Mistakes are lessons of wisdom.
The past cannot be changed.
The future is yet in your power."
-Hugh White