It's the action, not the fruit of the action, that's important. You have to do the right thing. It may not be in your power, may not be in your time, that there'll be any fruit. But that doesn't mean you stop doing the right thing. You may never know what results come from your action. But if you do nothing, there will be no result.
Constant development is the law of life, and a man who always tries to maintain his dogmas in order to appear consistent drives himself into a false position.
The Bhagavad-Gita calls on humanity to dedicate body, mind and soul to pure duty and not to become mental voluptuaries at the mercy of random desires and undisciplined impulses.
There must be power in the word of a satyagraha general, not the power that the possession of limitless arms gives, but the power that purifies life which strict vigilance and a ceaseless application produce.