In times of great stress or adversity, it's always best to keep busy, to plow your anger and your energy into something positive.
— Lee Iacocca

Anytime you suffer a setback or disappointment, put your head down and plow ahead.
Les Brown plow quote

The sluggard does not plow after the season, so he begs during the harvest and has nothing. Proverbs 20:4
— Bible

You can't plow a field by turning it over in your mind.
— Unknown

When you put your hand to the plow, you can't put it down until you get to the end of the row.
— plow quotation by Alice Paul