Morality (n.) is about making correct choices, ethics is about proper reasoning.
Morality (n.) is not concerned with happiness, but duty.
Morality (n.) is not properly the doctrine how we may make ourselves happy, but how we may make ourselves worthy of happiness.
Morality (n.) is grounded in the idea that an action is good not because it has good results, or because it is wise, but because it is done in obedience to this inner sense of duty.
Morality (n.) is grounded in treating humanity, whether in thine own person or in that of another, in every case as an end, never only as a means.
Morality (n.) is grounded in the categorical imperative in us, the unconditional command of our conscience, to "act as if the maxim of our action were to become by our will a universal law of nature.