[Kant] was like many people: in intellectual matters he was skeptical, but in moral matters he believed imjplicitly in the maximx that he had imbibed at his mother's knee.

You could live without the opera singer, but not without the services of the baker. On this ground you might say that the baker performs a greater service; but no lover of music would agree.

Life and hope for the world are to be found only in the deeds of love.

Machines deprive us of two things which are certainly important ingredients of human happiness, namely, spontaneity and variety.

Although this may seem a paradox, all exact science is dominated by the idea of approximation. When a man tells you that he knows the exact truth about anything, you are safe in inferring that he is an inexact man. Every careful measurement in science is always given with the probable error ... every observer admits that he is likely wrong, and knows about how much wrong he is likely to be.

This is one of those views which are so absolutely absurd that only very learned men could possibly adopt them.

Ideas and principles that do harm are as a rule, though not always, cloaks for evil passions.