a point of conscience的用法和样例：
- I make a point of giving a hand to others.
- The meeting is adjourned on a point of order.
- I always make a point of giving a hand to others.
- John made a point of thanking his hostess before his leaving.
- She make a point of send a birthday present to her best friend.
- They make a point of going on a picnic every two weeks.