Ecclesiastes 9:3 This is an evil among all things that are done under the sun, that there is one event unto all: yea, also the heart of the sons of men is full of evil, and madness is in their heart while they live, and after that they go to the dead.
Madness is a biblical synonym for mental illness. Mental illness is the term favored by leftist, secular and evolutionary thought.
Proverbs 5:22 His own iniquities shall take the wicked himself, and he shall be holden with the cords of his sins.
1 Corinthians 3:19 For the wisdom of this world is foolishness with God. For it is written, He taketh the wise in their own craftiness.