Probably not the actual DE Blanchefort secret, but rather a method for learning it.

可能不是那真实的狄浩普秘密，更可能是学习它的方式。

youdao

Lars wrote in his journal about the DE Blancheforts' secret, one supposedly dating from 1307, the time of the Templars' arrest.

在他的日记中佬司写道狄浩普的秘密，那秘密据说上溯到1307年，在圣殿大逮捕时期。

youdao

De Maistre says that "to know HOW TO WAIT is the great secret of success".

麦斯特说：“懂得怎样等待是成功的一大秘诀。”

youdao

His de facto chief of secret police, Vladimiro Montesinos, is also in prison.

BBC: Slow justice for Peru's 'disappeared' 20 years on

Indeed, it was Mr de la Rua's secret meetings with Mr Menem and the discredited old guard of the Peronist union movement, promoted by Mr Nosiglia, that first strained relations with his vice-president.

ECONOMIST: Argentina

The secret to their seamless collaboration, it seems, is that De Sole regards the design process with a respect bordering on mysticism.

WSJ: The House That Gucci Built