with all one's strength · full strength · all-out (effort) · fully (support)

Do your best in anything you do.

Humanity's food, cloth, place of living, transport, entertainment are all created together by people around the globe. Also, people who partake in these activities only know a fraction of how the parts are created, without exception. Therefore, when we decide to help ourselves to help the entire world, as long as we focus with our entire being to create, the entire world will help us.

With all his efforts, he couldn't succeed.

He pulled with all his strength, but the rock would not move.

With all his efforts, he failed the test.