The limits of my language mean the limits of my world. - Ludwig Wittgenstein

Logic precedes every experience — that something is so.

Russell'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.

It's impossible for me to say one word about all that music has meant to me in my life. How, then, can I hope to be understood?