Final answer:
The statement emphasizes the importance of valuing each second and not allowing negativity to ruin one's entire day.
Step-by-step explanation:
The statement is emphasizing the importance of valuing each second and not allowing negativity to ruin one's entire day. It uses the analogy of having $86,400 in a bank account, where losing $10 would not cause someone to throw away the remaining amount. Similarly, having 86,400 seconds each day means that losing 10 seconds should not overshadow the rest of the day. The statement urges individuals to pay attention to their time and not waste it on negativity.