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.
Many people think they cannot have knowledge or understanding of God without reading books. But hearing is better than reading, and seeing is better than hearing. Hearing about Benares is different from reading about it; but seeing Benares is different from either hearing or reading.
As the shell, the pith and the kernel of the fruit are all produced form one parent seed of the tree, so from the one Lord is produced the whole of creation, animate and inanimate, spiritual and material.
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.
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.
One man may read the Bhagavata by the light of a lamp, and another may commit a forgery by that very light; but the lamp is unaffected. The sun sheds its light on the wicked as well as on the virtuous.