I grow more intense as I age.
Acceptance is not a state of passivity or inaction. I am not saying you can't change the world, right wrongs, or replace evil with good. Acceptance is, in fact, the first step to successful action. If you don't fully accept a situation precisely the way it is, you will have difficulty changing it. Moreover, if you don't fully accept the situation, you will never really know if the situation should be changed.
How can you come to know yourself? Never by thinking, always by doing. Try to do your duty, and you'll know right away what you amount to.