Category: superstition...

often one person's religion is another one's superstition - or all of them may seem superstitious to a person without religion
any beliefs, half-beliefs, or practices that appear to have no rational substance
Superstition belongs to the essence of mankind and takes refuge, when one thinks one has suppressed it completely, in the strangest nooks and crannies; once it is safely ensconced there, it suddenly reappears. (Johann Wolfgang Von Goethe)
'Tis a superstition to insist on a special diet. All is made at last of the same chemical atoms. (R.W. Emerson)
Superstitions are habits rather than beliefs. (M. Dietrich)
superstition is from Latin superstitio, literally "standing over"; derived perhaps from standing in awe, in Latin meaning an unreasonable or excessive belief in fear or magic, especially foreign or fantastical ideas, and thus came to mean a "cult" in the Roman empire
urban legends are sometimes classified as superstition
there are a number of hunting superstitions and theatre superstitions
Many persons, in nearly all times, have held, seriously or half-seriously, irrational beliefs concerning methods of warding off ill or bringing good, foretelling the future, and healing or preventing sickness or accident.