In a certain code, (A) 'Kemp Lamp Tems' means 'Speak the truth'; (B) 'Bis Tim Nak' means 'Always seek knowledge'; (C) 'Tim Tems Sik' means 'Knowledge is truth'; (D) 'Lik Bis Zap' means 'Never seek violence'.
To find the answer to the above questions, which of the given statements is not necessary ?