As every divided kingdom falls, so every mind divided between many studies confounds and saps itself.
— Leonardo da Vinci

I do earnestly wish to see the distinction of sex confounded in society, unless where love animates the behaviour.
Mary Wollstonecraft confound quote

A serious writer is not to be confounded with a solemn writer. A serious writer may be a hawk or a buzzard or even a popinjay, but a solemn writer is always a bloody owl.
— Ernest Hemingway

Nothing can confound a wise man more than laughter from a dunce.
— Lord Byron

The worst readers are those who behave like plundering troops: they take away a few things they can use, dirty and confound the remainder, and revile the whole.
— confound quotation by Friedrich Nietzsche