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.

It is possible to believe that all the past is but the beginning of a beginning, and that all that is and has been is but the twilight of the dawn. It is possible to believe that all the human mind has ever accomplished is but the dream before the awakening.

Rest enough for the individual man, too much and too soon, and we call it death. But for man, no rest and no ending. He must go on, conquest beyond conquest. First this little planet and all its winds and ways, and then all the laws of mind and matter that restrain him. Then the planets about him, and, at last, out across immensities to the stars. And when he has conquered all the deep space, and all the mysteries of time, still he will be beginning.

Room to swing a cat, it seemed was absolutely essential. It was an infrequent but indispensable operation.

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.

With wine and food, the confidence of my own table, and the necessity of reassuring my wife, I grew by insensible degrees courageous and secure.

In politics, strangely enough, the best way to play your cards is to lay them face upwards on the table.