Students, duties of, 2651 b.
Studiosity, potential part of temperance, 2465 c; definition of studiousness, 2562; vices opposed to studiousness, 2563 a; malice of the sins against studiousness, 2564 a; negligence, a sin against studiousness, 2564 b.
Subjects, duties to domestic and civil superiors, 2636.
Suffrage, Power of, 1649 b. See also Voting.
Suicide, books in favor of, forbidden, 855 b; voluntary and involuntary, direct and indirect, 1852 a; sinfulness of suicide, 1854; cooperation in suicide, 1855; authorization to commit suicide, 1856; when indirect suicide is lawful, 1857, 1858; when indirect suicide is unlawful, 1859; is it suicidal to refuse s necessary surgical operation? 1860; canonical penalties for suicide, 1861 a.
Sunday, Sanctification of, see Precepts of the Church.
Superfluities, from which alms must be given, 1227-1229.
Superior, Clerical, duties of, 2606 a; special duties to flock, 2607 a.
Superiors, Domestic and Civil, duties of, 2635. See also Employers; Subjects.
Superstition, see Religion, Sins against.