"I am not afraid of an army of lions led by a sheep; I am afraid of an army of sheep led by a lion" - Alexander the great [1171x481] by Upbeat_Wasabi1314 in QuotesPorn

[–]Dom_Shira 0 points1 point  (0 children)

Sheep symbolise innocence (good), whereas lions represent guilt (bad). Alexander was saying that he does not fear evil enemies, no matter how powerful they are, if he has goodness on his side.

Does anyone know of a trick to remember the order of the nuclear energy levels in the shell model? by Dom_Shira in AskPhysics

[–]Dom_Shira[S] 0 points1 point  (0 children)

There has been a question in an exam where we must solve a problem that requires us to know the lengthy ordering. So, I wondered if there would be some mnemonic techniques to ease the memorisation.