'Heed' in the Bible

“But I say to you who hear [Me and pay attention to My words]: Love [that is, unselfishly seek the best or higher good for] your enemies, [make it a practice to] do good to those who hate you,

Everyone who comes to Me and listens to My words and obeys them, I will show you whom he is like:

“But be on guard, so that your hearts are not weighed down and depressed with the giddiness of debauchery and the nausea of self-indulgence and the worldly worries of life, and then that day [when the Messiah returns] will not come on you suddenly like a trap;