Quote by Johann Kaspar Lavater
He knows very little of mankind who expects, by any facts or reasoning, to convince a determined party man.
Summary
This quote suggests that it is naive to think that presenting facts or logical arguments can change the opinion of someone who is staunchly loyal to a particular political party. The speaker implies that party loyalty is often strong enough to resist being swayed by evidence or rational discourse. In essence, the quote asserts that it is difficult to convince individuals who are unwaveringly committed to their party affiliation.