I know the study of dialectics is worth doing, it affects the way a person thinks and in a way that better adjusts me to reality. Read a little of the theory and you feel a bit restless in a good way.
The concept of the 'negation of the negation' is slippery like the Stoic claim that "the obstacle becomes the way". That concept was hard for me to get at first. Now it is automatic for me to consider how adversity can be used to advantage. To do other is foolish.
Things are always changing and if compassion is to spread, the class struggle can never end. A study of Dialectical Materialism makes this obvious.