Over time, it became a metaphor for informal but effective methods. While not exact, rules of thumb are valuable for decision-making in everyday life.

Retro comic book illustration of a water otter wearing a Santa hat floating on the water with hot chocolate in his hands, Christmas mood, nostalgic style.

Asian plump chubby beauty, black long straight hair, wearing pink camouflage short sleeve and blue tight trousers, wearing white mask, standing by the sofa, arms crossed, real photos, front view, squinting with smiling, full body shot, clean background.

You said you still love me.

Steve Jobs

yellow wind, may light

A woman's hand holding a cell phone with a tree growing out of the screen. The tree is sticking out of the phone as if it were a 3D hologram. The view on the phone is like looking at your own hands from a man's head. The background behind the phone is the desert of the wild west, sand.

green tree, pointillism style painting, yellow and blue dots, wide angle view from the ground looking up at the canopy of large green trees, vibrant colors, in the style of watercolor

Flow of Pharmaceuticals, the journey of pharmaceuticals from creation to patient.

A blank polaroid mockup, on a minimal plain background, featuring flowers and shadows, minimal style, shot by Fujifilm.