Some of the secrets were of no value at all, and some were actually worth knowing.
It happened that he did know how to break a man's wrist in a very simple manner, providing he could find just the right opportunity.

It was a simple trick, but the opportunity to practice it could seldom be found in a fight.
Kelley's eyes, which were somewhat bleary, bulged with greed as he saw Browning count out the money.
"It's givin' yer der trick dirt cheap--see ?" said the professor.

"I never sold it less dan twice dat ermount before.

Dat's straight.

I'll have ter make yer promise not ter tell it ter der odder chaps before I instructs yer." "If I buy it it is mine," said Bruce.
"Come off der roof! You enters inter an' agreement wid me dat yer don't blow dis t'ing, ur I don't tell yer." "What if I want to tell a particular friend ?" "Yer don't tell him.