If all the music written since Bach's time should be lost, it could be reconstructed on the foundation which Bach laid.

Musical ideas sprang to my mind like a flight of butterflies, and all I had to do was to stretch out my hand to catch them

Bach is a colossus of Rhodes, beneath whom all musicians pass and will continue to pass. Mozart is the most beautiful, Rossini the most brilliant, but Bach is the most comprehensive: he has said all there is to say.

If all the music written since Bach's time should be lost, it could be reconstructed on the foundation which Bach laid.

Who has reached the extreme limits of scale with the same infallible precision, equally guarded against the false refinement of artificial elegance and the roughness of spurious force? Who has better known how to breathe anguish and dread into the purest and most exquisite forms?

Before Mozart, all ambition turns to despair.

My opinion changes rapidly - one minute I can think it is very good and the next time I look at it, I see all the flaws and weaknesses therein.