Tuic masedh, co fuil deichfir itir in pairilis & in crupan, oir bactur in gluasacht & in rathugad isin pairilis & ni bactur isin crupan acht in gluasacht amain. Item isin pairilis bid teinnes isin leit eslain & isin crupan bid teindes isin leith slain. Item isin crupan tairrngid an let eslan an leth slan & ni mar sin isin pairilis. Item isin pairilis bid an dunad a mbun na feithid & isin crupan bid isin feith co léir.