"Mathematics is not a spectator sport," Lee Peng Yee once wrote in the preface. "To learn pure maths, you must do pure maths. The reading is merely a map; the walking is yours alone."
: He has been a key editor and contributor to the Mathematical Olympiad in China series, translating high-level problem-solving techniques for a global audience. Influence on "Singapore Math" pure maths lee peng yee pdf