The excerpt below is from the book “Mathematical Mindsets: Unleashing Students’ Potential Through Creative Math, Inspiring Messages and Innovative Teaching,” by Jo Boaler. This excerpt is from the chapter entitled “Teaching Mathematics for a Growth Mindset.”
Source: http://ww2.kqed.org/mindshift/2016/01/07/how-saying-and-showing-kids-i-believe-in-you-can-empower-them-at-school/