Adi Sri Shankara creates the Smarta tradition

Adi Sankara, “founder of the six-sect system.” popularized the ancient Smārta five-Deity altar—Gaṇapati, Sūrya, Vishṇu, Śiva and Śakti, and added Kumāra.

Image of Satguru Sivaya Subramuniyaswami
If you do not understand your reaction to something, wait until it subsides emotionally, so you will not be upset, then try to understand it by writing about it in a quiet moment. Then burn the paper in an inauspicious fire, such as in a garbage can.
—Gurudeva