The aspects of things that are most important for us are hidden because of their simplicity and familiarity. (One is unable to notice something because it is always before oneโs eyes.) The real foundations of his enquiry do not strike a man at all
Ludwig WittgensteinRussell's books should be bound in two colours, those dealing with mathematical logic in red - and all students of philosophy should read them; those dealing with ethics and politics in blue - and no one should be allowed to read them.
Ludwig WittgensteinIf we were to imagine an orange on the blue side or green on the red side or violet on the yellow side, it would give us the same impression as a north wind coming from the southwest.
Ludwig Wittgenstein