What idioms mean "positive progress"?

Idioms that mean "positive and enterprising" are running around, doing one's duty, racing against time, doing one's best, and having hot pillow all over?

Walk around, don't hesitate.

Running around. Describe running around or moving around for a purpose.

Do one's duty

Take the initiative to do the right thing; Do not shirk; Not humble.

count every minute and second

We must fight for it every minute. Describe the time for doing things is very tight.

try one's best

Exhausted: exhausted. Try your best.

Full cavity hot pillow

My heart is full of warm and sincere feelings.