(noun) Striving; earnest endeavor; hard work.
"Strive not with your superiors in argument, but always submit your judgement to others with modesty."
"Man is a goal-seeking animal. His life only has meaning if he is reaching out and striving for his goals."
"We live in an age when unnecessary things are our only necessities."
"Whenever a man does a thoroughly stupid thing, it is always from the noblest motives."
"Strive to be the reason that someone feels loved today."