v3: We are now under the new covenant. Jesus was the final sacrifice and now we live justly by faith in that sacrifice.
v5: If you keep at something, you will see results, but if you give up easily because nothing appears to be happening yet, you won't have anything.
v9: It's preferable to live in a little apartment at the top of someone else's house than to live in a mansion with a woman who likes to pick arguments with you.
v15: Christians enjoy doing good to others, even though, to the wicked doing so doesn't seem rewarding and may in fact seem silly. However, all those selfish unbelievers have to look forward to is eternal destruction in Hell.
v16: See the warning in Hebrews about falling away.
v17: If you spend all your time and money on living it up, in the end you'll have nothing to show for it.
v20: Following on verse 17, wise people are careful with their money and thus have money. However, fools spend all their money on stupid stuff and things they don't need and end up with nothing.
v21: This life, righteousness and honour is found in a relationship with Jesus Christ.
v23: Alot of people could have avoided a lot of their problems if they just talked less.
v27: If you don't love the Lord with all your heart, soul, mind, and strength, then don't go through the motions of serving Him in hopes you'll make it into Heaven anyway.
v30: There is no teaching in any other religion, belief system, spirituality, or philosophy that can disprove or lead to a better path of life or salvation than Christianity.
v31: As Christians, we practice safety and take appropriate precautions to avoid bad things happening and, indeed, it is right and wise to do so. However, we ultimately rely on the Lord for our safety, health, protection, and welfare. It is also a good idea to prayerfully and wisely consider what people, especially those in power, are telling you you must do in order to stay safe.