We have to learn from this, and we have to keep looking forward, not backward.

Far from looking backward we're going to be looking forward.

I try to avoid looking forward or backward, and try to keep looking upward.

You can't look forward and backward at the same time.

Revolutions go not backward.

Behold, I go forward, but he is not there; and backward, but I cannot perceive him: / On the left hand, where he doth work, but I cannot behold him: he hideth himself on the right hand, that I cannot see him: / But he knoweth the way that I take: when he hath tried me, I shall come forth as gold.