I came out for exercise, gentle exercise, and to notice the scenery and to botanise. And no sooner do I get on that accursed machine than off I go hammer and tongs; I never look to right or left, never notice a flower, never see a view - get hot, juicy, red - like a grilled chop. Get me on that machine and I have to go. I go scorching along the road, and cursing aloud at myself for doing it.

Few people who know of the work of Langley, Lilienthal, Pilcher, Maxim and Chanute but will be inclined to believe that long before the year 2000 A.D., and very probably before 1950, a successful aeroplane will have soared and come home safe and sound.

I went over the heads of the things a man reckons desirable. No doubt invisibility made it possible to get them, but it made it impossible to enjoy them when they are got.

There comes a moment in the day when you have written your pages in the morning, attended to your correspondence in the afternoon, and have nothing further to do. Then comes that hour when you are bored; that's the time for sex.

Nothing remains interesting where anything may happen.

One of the darkest evils of our world is surely the unteachable wildness of the Good.

Strength is the outcome of need; security sets a premium on feebleness. The work of ameliorating the conditions of life -- the true civilizing process that makes life more and more secure -- had gone steadily on to a climax... And the harvest was what I saw.