I have been trying to point out that in our lives chance may have an astonishing influence and, if I may offer advice to the young laboratory worker, it would be this - never to neglect an extraordinary appearance or happening."

"The lone hand has advantages as well as the much-advertised team-work, but each in its own place."

"It may be - usually is, in fact - a false alarm that leads to nothing, but it may on the other hand be the clue provided by fate to lead you to some important advance."

"It is the lone worker who makes the first advance in a subject; the details may be worked out by a team, but the prime idea is due to enterprise, thought, and perception of an individual."

"A good gulp of hot whisky at bedtime -- it's not very scientific, but it helps."