The best revenge is to improve yourself.
Whoever wants to be a leader should educate himself before educating others. Before preaching to others he should first practice himself. Whoever educates himself and improves his own morals is superior to the man who tries to teach and train others.
Stubbornness destroys good advice.
The outcome of fear is disappointment and shyness is frustration.
Contentment is a wealth that is never exhausted
The sin which makes you sad and repentant is more liked by Allah than the good deed which turns you arrogant.