active in doing good的用法和样例：
- But you, brothers, do not lose heart in doing good.
- be active in doing good to men
- The belief in god cause people to do good.
- Make haste in doing good; check your mind from evil; for the mind of him who is slow in doing merit delights in evil.
- To those who by persistence in doing good seek glory, honor and immortality, he will give eternal life.