I think a lot of science can seem like magic before it's explained properly. Sometimes we don't have the observations, the data, or the right words yet to explain it. Surely there was a time long ago when people watched a butterfly emerge from a chrysalis and thought of it as magic.

Meaning: A difficult day can cast a shadow over the evening that follows. The saying expresses how trouble carries on in experience, but its word never is an exaggeration: later rest, support or a change of circumstances can still help.

Meaning: People or matters that are absent for a long time may lose their place in everyday attention. The saying describes a risk of being overlooked, without proving that distance ends affection or that a forgotten person has less worth.

Meaning: Advice offered after an irreversible action cannot prevent what has already happened. Give relevant guidance while someone can still use it, and distinguish prevention from help with what comes next.