Let Your Love Grow Tall Lyrics

Lyric discussion by kane5187 

Cover art for Let Your Love Grow Tall lyrics by Passion Pit

Rather than "They know now what to do", I think it's "They know not what to do", which makes more sense in context:

It's the thought that counts No, quiet minds don't know their worth They know not what to do So I'll pray for them And I'll pray for you 'til my face turns blue