感性认识

感 = 咸 + 心 : Mnemonic symbol: one or multiple feelers!

感 = 咸 + 心 : Inside of the anthill, Guy Fawkes wants to drink a tequila. He already found the salt, but now he's looking for a lemon with his feelers. There's a very mysterious object on the table: it feels like a lemon, but the shape is somewhat wrong. What Guy Fawkes is inspecting with his feelers is a heart.

性 = 忄 + 生 : Marie Curie had a strong character since she was little. Even in her cradle in the engine's bathroom she was only playing with a flail.

认 = 人 + 讠 : Robinson Crusoe is lost in the encampment's bathroom. He doesn't know anyone, and he doesn't recognize the environment! At first, he turns to an advertising column, but it doesn't tell him anything useful. But fortunately, Neanderthal Man comes in, instantly recognizes Robinson Crusoe, and tells him where he is.

识 = 只 + 讠 : Sherlock Holmes (sh) is inspecting the new arrival at the entrance of the space station (Ø2). It's a big advertising column (讠) with a cuttlefish (只) on it, to broaden the space station's inhabitant's knowledge (识).