Wisdom from Prophets

One who does not practice modesity and does not refrain from shameless deeds is not a Muslim -Prophet Muhammad (PBUH)

Wisdom from Quran

It is He Who gives life and death, and to Him is due the alternation of Night and Day: will ye not then understand? (23:80)

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.)