We shall defend our island whatever the cost may be; we shall fight on beaches, landing grounds, in fields, in streets and on the hills. We shall never surrender and even if, which I do not for the moment believe, this island or a large part of it were subjugated and starving, then our empire beyond the seas, armed and guarded by the British Fleet, will carry on the struggle until in God's good time the New World with all its power and might, sets forth to the liberation and rescue of the Old.

Politics is like waking up in the morning. You never know whose head you'll find on the pillow.

A study of Disease-of Pestilences methodically prepared and deliberately launched upon man and beast-is certainly being pursue in the laboratories of more than one great country. Blight to destroy crops, Anthrax to slay horses and cattle, Plague to poison not armies but whole districts - such are the lines along which military science is remorselessly advancing.

Do not turn the superior eye of critical passivity upon these efforts .... We must not be ambitious. We cannot aspire to masterpieces. We may content ourselves with a joy ride in a paint-box.

Success and happiness spring from facing failure after failure with enthusiasm.

I had a feeling once about Mathematics - that I saw it all. Depth beyond depth was revealed to me - the Byss and Abyss. I saw - as one might see the transit of Venus or even the Lord Mayor's Show - a quantity passing through infinity and changing its sign from plus to minus. I saw exactly why it happened and why the tergiversation was inevitable but it was after dinner and I let it go.

A single glass of champagne imparts a feeling of exhilaration. The nerves are braced; the imagination is stirred, the wits become more nimble.