Arithmetic! Algebra! Geometry! Grandiose trinity! Luminous triangle! Whoever has not known you is without sense!
I've been on the tour for many, many years. It's time for me to go now, before it's too late.
The word philosophy sounds high-minded, but it simply means the love of wisdom. If you love something, you don't just read about it; you hug it, you mess with it, you play with it, you argue with it.