We should reflect on the idea that since the beginning of time sentient beings have been mentally unstable because they have been slaves of delusion, they lack the eye of wisdom to see the path leading to nirvana and enlightenment, and they lack the necessary guidance of a spiritual teacher. Moment by moment they are indulging in negative actions, which will eventually bring about their downfall.
We live in this world like a child who enters a room where a clever person is speaking. The child did not hear the beginning of the speech, and he leaves before the end; and there are certain things which he hears but does not understand
Rules of living Don't worry, eat three square meals a day,say your prayers, be courteous to your creditors, keep your digestion good,steer clear of biliousness,exercise, go slow and go easy. May be there are other things that your special case requires to make you happy, but my friend, these, i reckon, will give you a good life.
It would be possible to describe everything scientifically, but it would make no sense; it would be without meaning, as if you described a Beethoven symphony as a variation of wave pressure.