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“If the past was the age of adding to one's mind, now is the age of subtracting what is in his mind. A person who subtracts his minds in this time will recover his original nature.”
― Woo Myung, Stop Living In This Land, Go To The Everlasting World Of Happiness, Live There Forever

“I am a zero on the rez. And if you subtract zero from zero, you still have zero. So what's the point of subtracting when the answer is always the same?”
― Sherman Alexie, The Absolutely True Diary of a Part-Time Indian

“Free Math Worksheets - Smartkidz.ca”
― Smartkidz.ca