An exquisitely complex shape now known as the Mandlebrot set has been called the most complex object in mathematics. — Benoit Mandelbrot Copy Share Image
“None more complicated than the human brain, Etienne would say, what may be the most complex object in existence; one wet kilogram… — Anthony Doerr Copy Share Image
Overall, the human brain is the most complex object known in the universe - known, that is, to itself. — E. O. Wilson Copy Share Image
The brain weighs only three pounds, yet it is the most complex object in the solar system. — Michio Kaku Copy Share Image