To know and not to act is not to know. — Don DeLillo
To know and not to act is not to know.
Source: Wikiquote · CC BY-SA 4.0
More from this book
A poem bared the moment to things he was not normally prepared to notice.
It is in me to hurt someone and I haven't always known this. The act and depth of writing will tell me if I'm capable.
But whatever the sundry facts, I'm not so different from you in your inner life in the sense that we're all uncontrollable.

