You cannot hope to control your emotions using your thoughts, but you can hope to control your thoughts using your emotions. But how do you control your emotions without suppressing them? After all, our goal is to master our lives, not makes ourselves mentally unstable.
The Trinity is nothing more and nothing less than the Polarity of the Singularity, where the Polarity is the opposite forms of expression of the Singularity. For example, positive and negative are opposite expressions of Electricity. But this is not Duality, it is Trinity - Two opposite expressions of One thing - 1+2=3.