I can´t change my past, or predict my future. But i can shape my present.

We cannot change the past. We can only take action in the present and, therefore, change the future.

My past won't change my future, but my present can.

The great secret about goals and visions is not the future they describe but the change in the present they engender.

"The past is always subject to the change that the present brings to the future.

You can't change the past, but you can ruin the present by worrying about the future