Some positve abstract nouns:
happiness, amusement, beauty, joy, faith, hope, success, pleasure, peace, wonder, love, wisdom, sanity, mirth, affection, courage, music, patience, tolerance, justice, freedom, liberty, equality, dream, laughter, ambition, companionship, truth . . .
Some negative abstract nouns:
pain, disease, agony, misery, suffering, fear, sorrow, terror, hate, worry, anxiety, despair, grief, shortcoming, bitterness, envy, spite, jealousy, ugliness, adversity, thirst, frustration, anger, loathing, hatred, evil, nightmare . . .
Are there any more?