Answer:
The answer is "industrious and vigorous".
Step-by-step explanation:
A hard-working, dedicated and committed individual with such a relentless and energy-free mindset implies becoming a busy individual. Big character means that you will be full of energy & enthusiasm. It was the right answer because the hint obtained from its succeeding sentence "his penguin was just so prominent," shows that poet Hanz Joerin is strong and lively in composing. Its sentence "That'd seep into succeeding pages" clearly implies it.