The strain of the next three years' continuous work undermined his health and his eyesight, and he was compelled to retire from his professorship. During these years he had published works on Plato and Socrates and a history of philosophy (1875); but after his retirement he further developed his philosophical position, a speculative eclecticism through which he endeavoured to reconcile metaphysical idealism with the naturalistic and mechanical standpoint of science.
Equally right or wrong is he who says that Napoleon went to Moscow because he wanted to, and perished because Alexander desired his destruction, and he who says that an undermined hill weighing a million tons fell because the last navvy struck it for the last time with his mattock.
By having subsided unequally from being unequally undermined by the
Worms. Even old massive walls may be undermined and subside; and no
Down from having been undermined by worms.
How would you define undermined? Add your definition here.