unsoundness of mind

"That is, that she is entitled to the defence of unsoundness of mind - there is just no doubt about that on the evidence, and there is no doubt about the legal conclusion that flows from that."

And, where lunacy is set up as a defence, an expert may be asked whether, in his opinion, the symptoms exhibited by the alleged lunatic commonly show unsoundness of mind, and whether such unsoundness of mind usually renders persons incapable of knowing the nature of their acts, or of knowing that what they do is either wrong or contrary to the law.

With these words he concludes one of his books: Perhaps no person can be a poet, or even can enjoy poetry, without a certain unsoundness of mind.

The weary toil and labor that many undergo to earn money and then make the unnecessary expenditure in buying costly, fashionable dress does certainly betray a lack of wisdom, which might in reality be termed an unsoundness of mind.

Perhaps no person can be a poet, or can even enjoy poetry, without a certain unsoundness of mind, if anything which gives so much pleasure ought to be called unsoundness.