I persist in performing.

- David Tudor

My company and people think I'm wacky when I have an idea... I know if I have an idea, no one will want to go through it. But if I persist, people will go through it.

- Francis Ford Coppola

I tried chemo, but chemo and I didn't agree, so we didn't persist.

- Joan Kirner

No man's error becomes his own Law; nor obliges him to persist in it.

- Thomas Hobbes