In plain words
The many śāstras, the Vedas and the Vedāṅgas cannot tear the screen of the jīva's mind. The jīva stays on this side, God stays on that side; the effect is here, the cause beyond.
Another name for the equanimity of the mind is contentment. It is through saṅkalpa alone that the whole of creation becomes visible. As the saṅkalpa is, so is the life of man. Life means the very play of saṅkalpas; saṅkalpa is a living thing. It is a thing of great power. It keeps carrying man from one mind to another. It shapes one man into another man. Though the ancient maharṣis were at the very start simple, ordinary people, it was their sacred saṅkalpas that could turn them into maharṣis. What could turn Ratnākara, who lived the life of a hunter, into the maharṣi Vālmīki was saṅkalpa. What could turn the simple Rāmakṛṣṇa into a Paramahaṃsa was saṅkalpa too. Such saṅkalpas are of two kinds: pure saṅkalpas and impure saṅkalpas.
To set the feeling firmly on sacred deeds, on deeds that help others, on the principle of the Paramātma, on the divinity that is the divine, and to resolve upon them: these are pure saṅkalpas. All the saṅkalpas made for the welfare of the people, for the joy of the world, are good saṅkalpas. Wishing nothing for oneself, seeking no gain of one's own, holding the welfare of the country at all times to be one's own welfare, believing it and thinking of it: all such saṅkalpas are sāttvic saṅkalpas. Unable through evil feelings to bear the sight of others' joy, following what runs against the path of enjoying joy, unable to enjoy their own joy, they brood on harm to others, on injury to others, on wrong done to others: all such saṅkalpas are evil saṅkalpas.
In man there are two kinds of nature. One is animality, the second is divinity. To fall prey to the six inner enemies in men, lust, anger, greed, delusion, pride and envy; to fail to put to good use the intellect, the course, the station and the wealth that are God's gifts; through evil impressions, swept away by passion, to live in a state lower than a beast's: this is the wealth of the beast.