“Logic will get you from A to Z; imagination will get you everywhere.”

“When you trip over love, it is easy to get up. But when you fall in love, it is impossible to stand again.”

“If A is a success in life, then A equals x plus y plus z. Work is x; y is play; and z is keeping your mouth shut”

“To get to know a country, you must have direct contact with the earth. It's futile to gaze at the world through a car window.”

“To invent something, all you need is imagination and a big pile of junk.”

“Pure mathematics is in its way the poetry of logical ideas.”

“A society's competitive advantage will come not from how well its schools teach the multiplication and periodic tables, but from how well they stimulate imagination and creativity.”