Wisdom becomes nonsense (Unsinn) in the mouth of a fanatic (Schwärmer). Otto Ludwig.

Wisdom begins at the end. Webster.

Wisdom excelleth folly, as far as light excelleth 5 darkness. Bible.

Wisdom is a defence, and money is a defence: but the excellency of knowledge is, that wisdom giveth life to them that have it. Bible.

Wisdom is a pearl; with most success / Sought in still water and beneath clear skies. Cowper.

Wisdom is intrinsically of a silent nature; it cannot at once, or completely at all, be read off in words, and is only legible in whole when its work is done. Carlyle.

Wisdom is justified of her children. Jesus.

Wisdom is not found with those who dwell at 10 their ease; rather Nature, when she adds brain, adds difficulty. Emerson.

Wisdom is ofttimes nearer when we stoop than when we soar. Wordsworth.

Wisdom is only in truth. Goethe.