取之不尽，用之不竭

取 = 又 + 耳 : Mnemonic symbol when used as component in other characters: a bloody ear.

When Mike Tyson was fighting against Evander Holyfield, he did not only beat Evander's ear (耳) with his boxing glove (又). Imagine this fight in the space station (Ø3) with cupid (qu) as referee fetching (取) a bloody ear flying through the space station.

之 = 丶 + Z : Mnemonic symbol: Sooo sleepy... "zZz" (the character looks like a "Z"). James II of England (zh) fell asleep in front of the space station (Ø1). He sleeps on a big petal leaf (丶), making loud "zZz" (之) sounds.

不 = 丆 + 卜 : Bruno Bear (bu) is setting up a wind wheel (丆) with a voodoo staff (卜) in the space station's bathroom (Ø4). He also puts a "forbidden" sign (mnemonic symbol for 不) on it, to make clear that it may not (不) be stopped.

尽 = ⺀ + 尺 : Someone or something is using up all the blossoms in the encampment's bathroom, each day one more is missing. Joan of Arc wants to find out when they will be used up, so each day, she measures the remaining blossoms with a tape-measure.

用 = 丨 + 月 : Mnemonic symbol: a first aid kit. Can you see the cross on the container?

用 = 丨 + 月 : Yu the Great hurt her leg when she slipped in the engine's bathroom. The moon helps her to splint her leg using the bathroom's first aid kit and a dinosaur bone.

竭 = 曷 + 立 : Joan of Arc (ji) is taking part in a game show in the elevator's kitchen (e2). The top prize, a very beautiful vase (立), is standing right next to her. She is just about to spin the quiz wheel (曷) for the last time, but unfortunately she already exhausted (竭) all of her jokers.