X sembolü genellikle matematikte bilinmeyen sayıyı temsil etmektedir.
- The symbol X usually stands for an unknown quantity in mathematics.
İki bilinmeyenli bir denklem gibiydi hepsi.
- It was all like a single equation with two unknowns.
To awaken the conscious self to the principle of the whole or Tao one needs to forget oneself, so that in knowing one unknows.