Why does Buddhism compare our mind to an ox?

The ox is an important symbol in Buddhist texts, representing both a wayward mind that needs to be disciplined and also the Buddha Vehicle, which carries all sentient beings toward supreme Buddhahood.

How to enter Meditative Concentration - II ?

Extended concentration is an indication of good health, not a cause of physical problem. To avoid harmful hallucinatory states, practice under an experienced and qualified Buddhist teacher. 

How to celebrate the Buddha’s Birthday?