Passion.

Mähler, Beethoven, 1815

Don’t only practice your art, but force your way into its secrets, for it and knowledge can raise men to the divine. To play without passion is inexcusable!

Ludwig van Beethoven

When we go for security we flatten down, there's nothing interesting in life anymore.  This kind of thinking is inhuman ... it is fantasy-less ... If we have the possiblity to make it much more fantastic with the danger, we should choose danger.

Nikolaus Harnoncourt

Nikolaus Harnoncourt passionately rehearses Beethoven with the Chamber Orchestra of Europe ...