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

Do they not travel through the earth, and see what was the end of those before them? But the home of the hereafter is best, for those who do right. Will ye not then understand? (12:109)

Wisdom from Imams

Success is the result of foresight and resolution, foresight depends upon deep thinking and planning and the most important factor of planning is to keep your secrets to yourself. -Imam Ali (a.s.)