There are infinite secrets, but truly only one – you see, if you know the overarching principle, then all details are offshoots! – the Rebbe teaches (from Kabbalah) life is the gift to be able to ascend! – as the verse teaches, "I will make you an ascender between the statues" – You see, angels may be holy, but their holiness is not theirs (it is their instinctual or intellectual framework) whereas humans are given the gift to walk through the maze of insanity, being able to personally accept and reject – but as God is infinite, so to the maze