Simplicity, not cleverness, can be the source of happiness.

There are so many different kinds of stupidity, and cleverness is one of the worst.

And that was how a great scandal threatened to affect the kingdom of Bohemia, and how the best plans of Mr. Sherlock Holmes were beaten by a woman’s wit. He used to make merry over...

The deepness of your mind produces the thickness of your thoughts.

Never treat somebody’s cleverness as his life’s smartness. Cleverness is to hide the weakness and the smartness is to project the strength of his weakness.

I am sick to death of cleverness. Everybody is clever nowadays.

If put to the pinch, an ounce of loyalty is worth a pound of cleverness.(Get Out or Get in Line, 1928)

The first and last weakness of his life, before him again. For a moment he felt himself blinded by his own memories; his own remembrances of the wits and wiles of Marian Halcombe that would...