I do not pretend to know where many ignorant men are sure -- that is all that agnosticism means.

I do not pretend to know where many ignorant men are sure -- that is all that agnosticism means.

All you need in this life is ignorance and confidence, and then success is sure.

All you need in this life is ignorance and confidence, and then success is sure.

One of the keys to happiness is a bad memory.

One of the keys to happiness is a bad memory.

The tax which will be paid for the purpose of education is not more than the thousandth part of what read more

The tax which will be paid for the purpose of education is not more than the thousandth part of what will be paid to kings, priests and nobles who will rise up among us if we leave the people in ignorance

By ignorance we mistake, and by mistakes we learn

By ignorance we mistake, and by mistakes we learn

The greatest obstacle to discovery is not ignorance - it is the illusion of knowledge.

The greatest obstacle to discovery is not ignorance - it is the illusion of knowledge.

. . where ignorance is bliss, 'Tis folly to be wise.

. . where ignorance is bliss, 'Tis folly to be wise.

Prejudice is the child of ignorance.

Prejudice is the child of ignorance.

Ignorance is never out of style. It was in fashion yesterday, it is the rage today and it will set read more

Ignorance is never out of style. It was in fashion yesterday, it is the rage today and it will set the pace tomorrow.