The service refers to a specific organized provision or ceremony. It often means a church ceremony, a company's customer support, or armed forces, depending on context.
The best way to find yourself is to lose yourself in the service of others. Mahatma Gandhi
When I dare to be powerful - to use my strength in the service of my vision, then it becomes less and less important whether I am afraid. Audre Lorde
If I had been censured every time I have run my ship, or fleets under my command, into great danger, I should have long ago been out of the Service and never in the House of Peers. Horatio Nelson
Born in iniquity and conceived in sin, the spirit of nationalism has never ceased to bend human institutions to the service of dissension and distress. Thorstein Veblen
Only a life lived in the service to others is worth living. Albert Einstein
Render the service paid for. Sicilian Proverb