Why do we cry when deep knowledge is assimilated?

Question - Gurudev, why do we cry when deep knowledge is assimilated? It happens to me when I listen to you Gurudev, and your words?

Gurudev Sri Sri - Yes, in the scriptures it is written, what happens when you see your beloved, when love is kindled in you, the knot in your heart opens up, all the doubts disappear and tears flow from your eyes. These are the signs that happen when the heart opens up, and is deeply touched. It is experience also, isn't it? When something touches your heart, the doubts disappear. That feeling wells up, gratitude comes up, tears flow, it is normal. It is very common here.