List Forster

Do you want to be right or happy? You can’t be both.

Suggests that in many situations - especially in relationships or arguments - insisting on being right can come at the cost of harmony or peace of mind. It implies that prioritizing your ego or the need to win an argument may damage relationships or personal contentment, whereas letting go of that need (even if you’re technically right) may lead to greater happiness.

Gerald Jampolsky

<length>

The <length> CSS data type represents a distance value. Lengths can be used in numerous CSS properties, such as width, height, margin, padding, border-width, font-size, and text-shadow.
length#em css reference