は力なり

is power

→ は
phrase Rare #38,034
is power A proverb-like expression meaning that the thing before は is a source of strength or power. The なり ending is literary and emphatic; for example, 団結は力なり means “unity is strength.”
JA: 努力は力なり。
EN: Effort is power.

継続は力なり

Persistence pays off.

知識は力なりというのは私の信念

“Knowledge is power” is my belief.

団結は力なり

Unity is strength.

知識は力なり

Knowledge is power.