Revolutions never go backward. Wendell Phillips
The sad truth is that certain types of things can't go backward. Once they start going forward, no matter what you do, they can't go back the way they were. If even one little thing goes awry, then that's how it will stay forever. Haruki Murakami
Virtue, if not in action, is a vice, And, when we move not forward, we go backward. Philip Massinger
Do not stop half way and do not ever go backward. There is no way behind you. Mao Zedong
Never go backward. Attempt, and do it with all your might. Determination is power. Charles Simmons
You learn from your mistakes, or you go backward. I'm the kind of person who wants to move forward. Ndamukong Suh