derive

Mr. Ying is one of those happy people who derive pleasure from helping others.

英先生是那种助人为乐的快活人。

He derives great satisfaction from his stamp collection.

他从集邮中得到极大的满足。

The subject of a sculpture should be derived from classical stories. 雕塑的主题可能源自古典故事。

should be 可能？