You have to be very careful to be restrained in your actions. Otherwise, you end up doing and saying and thinking things that you later regret. And that regret is very hard to get rid of.
"There are people who complain that if you’re really serious about the practice you lose your spontaneity. Well, spontaneity may have its good side but it has its bad side as well. You want to be really careful, you have to be heedful, your actions do have consequences, you can’t pretend that they don’t. As for the pleasure in the practice, the Buddha says it’s loaded there in the practice of right concentration. If you want to find joy and spontaneity, look there. As for your other actions, you have to be very careful to be restrained. Otherwise, you end up doing and saying and thinking things that you later regret. And that regret is very hard to get rid of. Especially as life goes on and you don’t see any progress coming in your practice, you begin to wonder, “What’s this all about? What have I been doing?” Don’t be the sort of person who realizes that a lot of time was wasted, a lot of time was thrown away. After all, we don’t have an infinite amount of time. Th...