EQUATION REFRAIN
x = x “It is what it is.”
x – y = z “I don’t have regrets.”
a + b = c “Everything happens for a reason.”
x = +/- 1 “Meh.” 
sqrt(-1) = i   “Fake it ’til you make it.”
((sqrt(cos(x))* cos(400*x) + sqrt(abs(x))-0.4)* (4-x*x)^0.1)/2 < 0 “You can’t win them all.”
x “Just sayin’.”