My health may be better preserved if I exert myself less but in the end doesn't each person give his life for his calling?

My health may be better preserved if I exert myself less but in the end doesn't each person give his life for his calling?

I cannot give a single concert at which I do not play one piece after the other in an agony of terror because my memory threatens to fail me. This fear torments me for days beforehand.

I cannot give a single concert at which I do not play one piece after the other in an agony of terror because my memory threatens to fail me. This fear torments me for days beforehand.