Well, some red stuff says that "need more than 20 letters", so that's why I'm typing this up.
T-R-U-E
It's true! :)
His natural genius crossed so many disciplines that he was made known as Renaissance man.
The two main reasons why Douglass opposed John Brown in his plan to raid Harpers ferry is because first he was sure that the plan would fail and thus it would lead to many black deaths. The second reason is that Douglas thought that this plan would hurt the abolition movement due to a backlash.