Wisdom from Prophets

Truly the believers in their acts of co-operation and mutual aid are like the head to the body; should it complain, the rest of the body rallies to it in vigilant defence - Holy Prophet Muhammad (PUHHF)

Wisdom from Quran

The worldly things which ye are given are but the conveniences of this life and the glitter thereof; but that which is with Allah is better and more enduring: will ye not then be wise? (28:60)

Wisdom from Imams

The mind of a wise man is the safest custody of secrets; cheerfulness is the key to friendship; patience and forbearance will conceal many defects. Imam Ali (A.S.)