31.   I hope people will learn by this.

32.   I suppose really we learn by who sent us that evening.

33.   We learnt them by chart.

34.   They put us in the deep end with everything that came along, you know, you really had to learn by doing it.

35.   An artist can only learn by going out and playing live, which keeps him or her learning the craft, building an audience and a fan base.

36.   And as I learned by the time I got to culinary school, the ability to create those creamy classics was a hallmark of the professional.

37.   And as I learned by the time I got to culinary school, the ability to create those creamy classics was one of the hallmarks of the professional.

38.   And later, Salmon learned by talking to teammates that there actually was a chance they could have gotten Paul at the plate.

39.   And here is what C.K. of Wilmington, Mass. learned about it, by accident.

40.   And the French learned by fighting alongside the Americans in the gulf war just how far behind the U.S. superpower they have fallen in military technology.