How to cultivate understanding?

The following is an excerpt from a samvaad (dialogue) session with Acharya Prashant.

Questioner: This is concerned with the fact of minute-to-minute understanding. So, for example, when I have seen the pain and cruelty being carried out on animals in the slaughterhouse, let’s say to a cow, then I have the understanding. But, then I also have the tendencies of having eaten meat all my life. Now at that…