This quote is telling you to read more. It is encouraging you to make reading a regular habit so that you will become smarter, informed, and more knowledgeable. Reading can help you learn new things, get better at using words or understanding complex situations, and appreciate ideas or stories in different perspectives. This quote is saying that the best way to gain these skills and advantages is to keep reading, as it is an activity that doesn’t require any special tools or techniques, and can be done anywhere.