In plain words
It is only like a dream. So you must not foster attachment to the body. But as long as it lasts, you must keep well; you must live without depending on others; you must do your work properly. You must live in the feeling of God. Then you yourselves become God.
Exceed the limit, and the mind is spoilt
Students! You must pledge yourselves to wipe out the injustice, wrongdoing and misconduct that hold the country in their grip today. How are you to wipe them out? Must you go to war with them? No, no. You must develop pure feelings; you must nourish Satya, Dharma and justice. You alone are the ones who will raise up Bhārata in the days to come! Take up the vow of building a new Bhārata. Do not be proud that you have had a great education. These studies serve only to earn a passing livelihood. Trust in God; take refuge in God. Then all your undertakings will bear fruit. Merely by studying you will not attain Jñāna.
Having read every kind of learning and grown very clever, the dull-witted man does not know himself in his own mind; however much he reads, whatever his station, the base man cannot leave his vices behind. Read and read again, and all he gains is argument; he never attains Jñāna that is whole. Why read all learning only to die at last? Learn the learning that knows no death!
The learning that knows no death is the true learning. That itself is Brahmajñāna. Acquire the Jñāna that God is everywhere. There is no Ānanda greater than that. Yet worldly learning too you must certainly have! But if it goes beyond its limit, the mind is spoilt. To quench your thirst a tumbler of water is enough; to long for all the water of the Gaṅgā is madness, is it not! “Na śreyo niyamaṃ vinā.” Whether in earning, in spending or in eating, there must be a limit to everything.