Helping is my duty, nothing to take for granted. What was the previous sentence?

1. No one owes you in this world. Helping is mutual affection, not helping is duty, and nothing is taken for granted.

2, others don't owe you anything, helping is a kindness, not helping is a duty, and nothing is taken for granted.

3. Don't be a "good person". Helping is a duty, not helping is a duty, and nothing is taken for granted.

4, recognize the facts, you will understand that helping is a mutual affection, not helping is a duty, and nothing is taken for granted.

Don't take my good feelings for you as my responsibility! Helping is mutual affection, not helping is duty, and nothing is taken for granted.