one thing Is # 42_LUK_06_09 # Then said Jesus unto them, I will ask you one thing; Is it lawful on the sabbath days to do good, or to do evil? to save life, or to destroy [it]? 
one thing is # 42_LUK_10_42 # But one thing is needful: and Mary hath chosen that good part, which shall not be taken away from her.