Just as a big banyan tree sprouts from a tiny seed, so the wide universe with names and forms sprouts forth from the heart.
The mind is only a bundle of thoughts. The thoughts arise because there is a thinker. The thinker is the ego. The ego, if sought, will vanish automatically.
The degree of freedom from unwanted thoughts and the degree of concentration on a single thought are the measures to gauge spiritual progress.
Silence is the best language.