“The joy of the mind is the measure of its strength.”– Ninon de L’Enclos Related Quotes “Margaret Thatcher was fearful of German unification because she believed that this would bring an immediate and formidable increase of economic strength to a Germany which was already the strongest economic partner in Europe.”– Douglas Hurd “Strengthen me by sympathizing with my strength, not my weakness.”– Amos Bronson Alcott “A truly strong person does not need the approval of others any more than a lion needs the approval of sheep.”– Vernon Howard