Very few things are as dangerous as a bunch of incentive-driven individuals trying to play it safe.

Maximum difficulty isn't the same as optimal difficulty.

In outstanding classrooms, teachers do more listening than talking, and students do more talking than listening. Terrific teachers often have teeth marks on their tongues.

The late W. Edwards Deming, guru of Quality management, once declared, 'The most important things we need to manage can't be measured.' If that’s true of what we need to manage, it should be even more obvious that it’s true of what we need to teach.

John Dewey reminded us that the value of what students do 'resides in its connection with a stimulation of greater thoughtfulness, not in the greater strain it imposes.

If unconditional love and genuine enthusiasm are present, praise isn't necessary. If they're absent, praise won't help.

Learning is something students do, NOT something done to students.