He has eaten his corn in the blade.

Understand the thought

Meaning in plain English

Using a resource before it has matured can consume the benefit expected later. The young crop represents an anticipated return spent or destroyed too soon.

What the words are saying

Corn in the blade has not yet produced the grain that would justify waiting for harvest. Eating it at that stage uses up the plant while losing the later yield. As a figurative judgment, the proverb questions spending an expected return before it is available or sacrificing future capacity for immediate consumption. The relevant comparison is between present need and the likely future benefit. Some urgent needs justify an early use, so the image supports examination of consequences rather than a blanket rule against using resources now.

Everyday example

A group spends money promised for next month before the payment is confirmed, leaving it unable to cover its current agreed bills.

When to use it

Use it to consider the consequences of consuming an anticipated return.

Agent-assisted editorial interpretation. This explains the words; it does not by itself verify their author or earliest origin.