The ruling ideas of each age have ever been the ideas of its ruling class.
As I pass it, I feel as if I saw a dear old mother, sweet in her weakness, trembling at the approach of her dissolution, but not appealing to me against the inevitable, rather endeavouring to reassure me by her patience, and pointing to a hopeful future.
The only antidote to mental suffering is physical pain.
One can advise comfortably from a safe port.
The theory of Communism may be summed up in one sentence: Abolish all private property.
A specter is haunting Europe – the specter of communism.
It was completely fruitless to quarrel with the world, whereas the quarrel with oneself was occasionally fruitful and always, she had to admit, interesting.
It is absolutely impossible to transcend the laws of nature. What can change in historically different circumstances is only the form in which these laws expose themselves.
The development of civilization and industry in general has always shown itself so active in the destruction of forests that everything that has been done for their conservation and production is completely insignificant in comparison.
Medicine heals doubts as well as diseases.