1.   And all for free, a quaint concept.

2.   As a result, the Tour has gotten so lush and green, the golfer as an individual contractor seems a quaint concept.

3.   For a skilled football player, remaining in college four years is fast becoming a quaint concept.

4.   The principles involved seem to be quaint concepts relegated almost exclusively to religious communities for use by the pious and naive.

5.   What a quaint concept.