"It is by teaching that we teach ourselves, by relating that we observe, by affirming that we examine, by showing that we look, by writing that we think, by pumping that we draw water into the well."

"To know how to suggest is the great art of teaching. To attain it we must be able to guess what will interest we must learn to read the childish soul as we might a piece of music. Then, by simply changing the key, we keep up the attraction and vary the song."

"An error is the more dangerous in proportion to the degree of truth which it contains."

"To know how to suggest is the great art of teaching. To attain it we must be able to guess what will interest we must learn to read the childish soul as we might a piece of music. Then, by simply changing the key, we keep up the attraction and vary the song."

"In Britain, they have a lot of laws to protect you, and we enforce them very strongly so that our children can stay private figures, and the British press leave us alone, which is great. It means we can go on the Tube into the centre of London because it's quicker and more fun for the kids. We can do normal things."

"I actually may do a musical next year... not one that I've written one that I may star in. Plus my concert and other people's work and all of a sudden you've got a very full life."

"I have gained this from philosophy: that I do without being commanded what others do only from fear of the law."

"We are what we repeatedly do. Excellence, then, is not an act, but a habit."