good wine makes good blood; sake is the best of all medicines; drinking a moderate amount of alcohol is better than medicine

to make judgement based on the long run, rather than on the current state of affairs

it is best to submit to circumstances

“a hundred days of sermonizing, one fart” → a metaphor for how something that one has put great effort into can come to nothing after even a slight mistake, much as a hundred days of serious spiritual study can be lost to the winds