To be happy we must not be too concerned with others.
— Albert Camus

Do not be concerned that no one recognizes you, seek that which is worthy of recognition.
Confucius concerned quote

Where love is concerned, too much is not even enough.
— Pierre De Beaumarchais

I don't know who my grandfather was; I am much more concerned to know what his grandson will be.
— Abraham Lincoln

Be more concerned with your character than with your reputation. Your character is what you really are while your reputation is merely what others think you are.
— concerned quotation by Dale Carnegie