"The dog [in Pavlov's experiments] does not continue to salivate whenever it hears a bell unless sometimes at least an…"

"The condition of all progress is experience. We go wrong a thousand times before we find the right path."

"Experience is a good teacher, but she sends in terrific bills."

"Experience can be merely the repetition of same error often enough."

"Experience is a private, and a very largely speechless affair."

"Because he never raises his eyes to the great and the meaningful, the philistine has taken experience as his gospel. …"

"I... refer to the... Waynflete Lectures given by... E. D. Adrian, on The Physical Background of Perception because th…"

"The generation to which EINSTEIN, BOHR and I belong, was taught that there exists an objective physical world, which …"

"Good judgment comes from experience, and experience comes from bad judgment."

"Experience, n. The wisdom that enables us to recognise in an undesirable old acquaintance the folly that we have alre…"