The historian must be impartial, but not indifferent.
"The task of the writer is to make the invisible visible."
Your work is going to fill a large part of your life, and the only way to be truly satisfied is to do what you believe is great work.
New opinions are always suspected, and usually opposed, without any other reason but because they are not already common.
The healthy social life is found when in the mirror of each human soul the whole community finds its reflection, and when in the community the virtue of each one is living.