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 don't suppose any man has ever understood any woman since the beginning of things. You don't understand our imaginations, how wild our imaginations can be.

The new century will see changes that will dwarf those of the last.

In England we have come to rely upon a comfortable time-lag of fifty years or a century intervening between the perception that something ought to be done and a serious attempt to do it.

The Athenian democracy suffered much from that narrowness of patriotism which is the ruin of all nations.

The study of Nature makes a man at last as remorseless as Nature.

To be honest, one must be inconsistent.