I have a prodigious quantity of mind; it takes me as much as a week sometimes to make it up.

I, Mark Twain being of sound mind, have spent everything

Age is an issue of mind over matter. If you don't mind, it doesn't matter.

I must have a prodigious amount of mind; it takes me as much as a week, sometimes, to make it up!

No man has a wholly undiseased mind; in one way or another all men are mad

When I am king they shall not have bread and shelter only, but also teachings out of books, for a full belly is little worth where the mind is starved.