| YIN | In Chinese philosophy, the principle that represents the female qualities of darkness and cold (3) |
| CONRAD | Joseph ____ wrote Heart of Darkness and Lord Jim |
| KALI | Hindu goddess of darkness and destruction (4) |
| TAO | In Chinese philosophy, the ultimate universal principle |
| RAT | Rodent that represents the current year in the Chinese calendar |
| YANG | In Chinese philosophy, the active positive masculine force or principle in the universe |
| AVOGADROSLAW | The principle that equal volumes of all gases contain the same number of molecules at the same temperature and pressure (9,3) |
| RAM | Animal that represents the zodiac sign Aries (3) |
| LEO | Constellation that represents the Nemean Lion of Greek mythology |
| TEN | Number that represents the month of October |
| CUI | ___ bono (principle that crimes are most likely to be committed by those who stand to benefit) |
| PAY | It was not until June 1969 that the Conciliation and Arbitration Commission accepted the principle that there should be 'equal ... for equal work' for men and women in Australia |
| CAVEATEMPTOR | The principle that the buyer must bear the risk for the quality of goods purchased unless they are covered by the seller's warranty (6,6) |
| PHI | Greek letter that represents the golden ratio |
| WILBURSMITH | Author of novels The Leopard Hunts in Darkness and The Eye of the Tiger |
| UTILITARIAN | What is a follower of the principle that human conduct should aim to produce the greatest happiness |
| BERNOULLI | He stated the principle that the total energy in a stable fluid system is constant (9) |
| RULEOFLAW | The principle that regulates governments and citizens (4,2,3) |
| PAYPHONE | Does it work on the principle that money talks? (3,5) |
| TIDAL | There is darkness and light initially where the ocean goes in and out (5) |
