"The chief processes for the improvement of soils which may be discussed here are: liming, claying and marling, warping, paring and burning, and green manuring. Most of these more or less directly improve the land by adding to it certain plant food constituents which are lacking, but the effect of each process is in reality very complex. In the majority of cases the good results obtained are more particularly due to the setting free of " dormant " or " latent " food constituents and to the amelioration of the texture of the soil, so that its aeration, drainage, temperature and water-holding capacity are altered for the better."

"In these facts we discover the cause of the popular discontent and outbreaks which have so frequently threatened the stability of the British throne and the peace of the English people. As early as 17…"

"There is no greater mystery than this: being Reality ourselves, we seek to gain Reality."

"It is enough to give any one a sense of sardonic amusement to see the way in which the people generally, not only in my own country but elsewhere, gauge the work purely by the fact that it succeeded. …"

"There are many interesting phenomena … which involve a mixture of physical phenomena and physiological processes, and the full appreciation of natural phenomena, as we see them, must go beyond physics…"