A man may live long, and die at last in ignorance of many truths,
which his mind was capable read more

A man may live long, and die at last in ignorance of many truths,
which his mind was capable of knowing, and that with certainty.

Gross ignorance: 144 times worse than ordinary ignorance.

Gross ignorance: 144 times worse than ordinary ignorance.

Never let your persistence and passion turn into stubbornness and ignorance.

Never let your persistence and passion turn into stubbornness and ignorance.

I do not believe in the collective wisdom of individual ignorance.

I do not believe in the collective wisdom of individual ignorance.

The recipe for perpetual ignorance is: Be satisfied with your opinions and content with your knowledge.

The recipe for perpetual ignorance is: Be satisfied with your opinions and content with your knowledge.

Ignorance and inconsideration are the two great causes of the ruin of mankind

Ignorance and inconsideration are the two great causes of the ruin of mankind

If I don't have wisdom, I can teach you only ignorance.

If I don't have wisdom, I can teach you only ignorance.

But let a man know that there are things to be known, of which he
is ignorant, and it read more

But let a man know that there are things to be known, of which he
is ignorant, and it is so much carved out of his domain of
universal knowledge.

I am not ashamed to confess that I am ignorant of what I do not
know.
[Lat., Non read more

I am not ashamed to confess that I am ignorant of what I do not
know.
[Lat., Non me pudet fateri nescire quod nesciam.]