I realized that the future of aviation, to which I had devoted so much of my life, depended less on the perfection of aircraft than on preserving the epoch-evolved environment of life, and that this was true of all technological progress.
How much can you depend on their loyalty? You can depend upon their loyalty as much as the Germans depended upon it in 1916.And we're going to suffer the same fate as Germany suffered, and for the same reason.benjamin h. freedman
However much the various phases of the French Revolution may have modelled themselves on Roman history the early phase on Republican virtue, the later on Imperial grandeur the fact remains that classicism depended on a fixed and rational philosophy; whereas the spirit of the Revolution was one of change and of emotion.kenneth clark
The whole train of animated beings, from the simplest and oldest up to the highest and most recent, are, then, to be regarded as a series of advances of the principle of development , which have depended upon external physical circumstances, to which the resulting animals are appropriate.