A second is a very short unit of time. Consider which activity is quick enough.<br><br>
&bull; Nodding your head ten times takes several seconds.<br>
&bull; Walking 1 km takes about 15 minutes.<br>
&bull; Singing the national anthem takes about 1-2 minutes.<br>
&bull; Saying "I love Maths" takes about 1 second.<br><br>
Final Answer: Say "I love Maths"