To study music, we must learn the rules. To create music, we must break them.

I've been a woman for a little over 50 years and have gotten over my initial astonishment. As for conducting an orchestra, that's a job where I don't think sex plays much part.

[On being asked how it felt to be the first female conductor of the Boston Symphony:] I've been a woman for a little more than fifty years, and I've gotten over my original astonishment.

Music was not invented by the composer, but found.

There is nothing boring in life except ourselves.

It is so much easier to rest contented with what we have already acquired than to change ever so slightly those routine but profound habits of thought and feeling which govern our life, and by which we live so blissfully. This mental inertia is, perhaps, our greatest enemy. Insidiously it leads us to assume that we can renew our lives without renewing our habits.

Art is not emotion. Art is the medium in which emotion is expressed.