The only way to know is to Live, Learn, and Grow.

When the labourer co-operates systematically with others, he strips off the fetters of his individuality, and develops the capabilities of his species.

The key to longevity is to learn every aspect of music that you can.

One destitute of wealth is not destitute, he is indeed rich, but the man devoid of learning is destitute in every way.

I never teach my pupils. I only attempt to provide the conditions in which they can learn.

Learn continually - there's always "one more thing" to learn!