have the patience of Job

To have an immense and unyielding degree of patience and conviction, especially in the face of problems or difficulty. A reference to the biblical figure Job, whose absolute faith in God remained unshaken despite the numerous afflictions set upon himself, his family, and his estate by Satan. This field of work demands that you have the patience of Job. If you're looking for immediate results, you're in the wrong profession. My sister is amazing. She has five unruly children, but she has the patience of Job with every single one of them.