"On one's guard" Quotes from Famous Books
 ... regards the concept of "development." It seems to me to be incorrect to regard this as a logical concept only, even with reference to organisms. True, the whole zoological system is in reality nothing more than a logical abstraction. And in view of this fact one must be on one's guard against confusing a logical transformation of ...
— At the Deathbed of Darwinism - A Series of Papers • Eberhard Dennert
... breeding and forestry, one of them must give way. It was necessary to keep immense areas under evergreen wood for the defence of the country against floods. With regard to the areas available for afforestation, for cattle keeping and for cultivation respectively, it was necessary to be on one's guard against "experts" who were disposed to claim all available ...
— The Foundations of Japan • J.W. Robertson Scott |
