Sunlight is one and the same wherever it falls; but only a bright surface like that of water, or of a mirror reflects it fully. So is the light Divine. It falls equally and impartially on all hearts, but the pure and pious hearts of holy men receive and reflect that light well.
The truth is that you cannot attain God if you have even a trace of desire. Subtle is the way of dharma. If you are trying to thread a needle, you will not succeed if the thread has even a slight fiber sticking out.
Do not be small minded. Do not pray for gourds and pumpkins from God, when you should be asking for pure love and pure knowledge to dawn within every heart.
You speak of doing good to the world. Is the world such a small thing? And who are you, pray, to do good to the world? First realise God, see Him by means of spiritual discipline. If He imparts power you can do good to others; otherwise not.
It is very pleasant to scratch an itching ring-worm, but the sensation one gets afterwards is very painful and intolerable. In the same way the pleasures of this world are very attractive in the beginning, but their consequences are terrible to contemplate and hard to endure.
We laugh at the efforts of the musk deer to find the source of the scent which comes from itself and despair at our efforts to find the peace which is our essence.