The deadliest foe to virtue would be complete self-knowledge.
Sentiment: NEGATIVE
Knowledge becomes evil if the aim be not virtuous.
Knowledge without justice ought to be called cunning rather than wisdom.
The word virtue is as useful to self-interest as the vices.
To think ill of mankind and not wish ill to them, is perhaps the highest wisdom and virtue.
I think self-knowledge is the rarest trait in a human being.
I would rather be ignorant than knowledgeable of evils.
To know oneself is to disbelieve utopia.
In order to know virtue, we must first acquaint ourselves with vice.
Hence the saying: If you know the enemy and you know yourself, your victory will not stand in doubt; if you know Heaven and you know Earth, you may make your victory complete.
Virtue knows to a farthing what it has lost by not having been vice.