willpower

"You must do your homework before you can watch television."

"After a long day at school, I tired easily and went straight to bed. "

"It requires great strength to lift heavy objects."

"The baby was feeling the soft fur of the teddy bear. "

"The finish of the school year was a relief for all the students. "

"The child's carry of the heavy backpack was awkward; he held it by the straps, not the handles. "

"Despite the challenging exams, Sarah maintained an unwavering focus on her studies. "

"It looks weaker and weaker, the more I think about it."

"The student used a calculator to solve the math problem. "

"Her birthday wishes included a new bicycle and a trip to the beach. "

"Despite her parents' disapproval, Sarah pursued her dream of becoming a musician. "

"Do what you will."