Matthew 7:12-14 - The Golden Rule
12 Then you must practice dealing with others as you would like for them to deal with you, for this is the summing up of the law and the prophets.
13 "Go in by the narrow gate, for broad and roomy is the road that leads to destruction, and many are going in by it. 14 But narrow is the gate and hard is the road that leads to life, and few are they that find it.