make this a short explanation Kant's moral philosophy is grounded in the idea of duty and rationality. He argues that we have a moral duty to treat humanity with respect and not merely use people as a means to an end. Here's a breakdown of the formulation:

"Treat humanity as an end": This part of the formula means that we should always respect the intrinsic worth and value of each individual. In other words, people should not be used or exploited for our own benefit or purposes. Instead, we should recognize and protect their rights and dignity.

"Never as a means": Kant's philosophy opposes using people solely as instruments to achieve our own goals. Treating someone as a mere means to an end implies disregarding their autonomy and not considering their interests and well-being.