Depression is a terrible thing. Just like a physical illness can cripple a person, so too depression can affect people’s live greatly, even to the point of not wanting to keep on living. Yet, the Bible teaches a lot that is relevant to depression and mental illness, even if it is not packaged with a chapter titled 'Depression'! Depression is a terrible thing. Just like a physical illness can cripple a person, so too depression can affect people’s live greatly, even to the point of not wanting to keep on living. Yet, the Bible teaches a lot that is relevant to depression and mental illness, even if it is not packaged with a chapter titled 'Depression'!