Four { 4 }

Four is the second square number, the second centered triangular number.

(Thank you to Seth for send me the numbers)

In Hinduism:
The four cardinal Virtues: 1. Non-violence, 2. Truth, 3.Purity, 4.Self-control

In Buddhism:
The Group of Fours 1. The Four Noble Truths 1. Suffering 2. The Cause of Suffering 3. The Cessation of Suffering 4. The Way Leading to the Cessation of Suffering

The Fourfold Right Effort: 1. Effort to restrain from evil 2. Effort to abandon evil 3. Effort to develop good 4. Effort to maintain good