The difficult part in an argument is not to defend one's opinion but rather to know it.

The difficult part in an argument is not to defend one's opinion but rather to know it.

A half truth, like half a brick, is always more forcible as an argument than a whole one. It carries read more

A half truth, like half a brick, is always more forcible as an argument than a whole one. It carries better.

A knock-down argument; 'tis but a word and a blow.

A knock-down argument; 'tis but a word and a blow.

Few minds wear out; more rust out.

Few minds wear out; more rust out.

I have a prodigious quantity of mind; it takes me as much as a week sometimes to make it up.

I have a prodigious quantity of mind; it takes me as much as a week sometimes to make it up.

Great spirits have often encountered violent opposition from weak minds.

Great spirits have often encountered violent opposition from weak minds.

If you can't answer a man's arguments, all is not lost; you can still call him vile names.

If you can't answer a man's arguments, all is not lost; you can still call him vile names.

Sublimity is the echo of a noble mind.

Sublimity is the echo of a noble mind.

For the mind is all the easier to teach before it is set.

For the mind is all the easier to teach before it is set.