Spare the rod; spoil the child

Spare the rod; spoil the child is a proverb. A proverb is a short, common saying or phrase that may be a famous quote, an inspirational quote, an epigram, or the topic of a parable. These common sayings are language tools or figures of speech that particularly give advice or share a universal truth, or impart […]
from Grammarist
https://grammarist.com/proverb/spare-the-rod-spoil-the-child/