Swami Mukundananda
How do bitter thoughts turn into hatred, and how do I stop them?
Hatred grows through repeated bitter thoughts
Hatred develops from the repetition of bitter thoughts towards some place or person, and the Vedic scriptures treat it in the same light as attachment. Solve problems if you can, and tolerate them if you cannot.
Why does hatred develop? Because of the repetition of bitter thoughts towards some place or person. If there is either attachment or hatred, that object will repeatedly impinge upon the mind.