Sex without love is merely healthy exercise.
From the strictest humanitarian viewpoint, any attempt to stop the processes by which over crowded cities purge themselves is not a kindness.
Never attempt to teach a pig to sing; it wastes your time and annoys the pig.
Ignorance is curable, stupid is forever.
Sin is cruelty and injustice, all else is peccadillo.
Pain is the basic mechanism built into us by millions of years of evolution which safeguards us by warning when something threatens our survival.