Man can and must prevent the tragedy of famine in the future instead of merely trying with pious regret to salvage the human wreckage of the famine, as he has so often done in the past.

Deployed upon that plain they moved in a constant elision, ordained agents of the actual dividing out the world which they encountered and leaving what had been and what would never be alike extinguished on the ground behind them.

What you're doing now, or have done in the past, need not determine what you can do next and in the future.

You cannot see the past that did not happen any more than you can foresee the future.

I have made good judgments in the past. I have made good judgments in the future.

If I speak of Vienna it must be in the past tense, as a man speaks of a woman he has loved and who is dead.