"If you are lucky enough to find a weirdo" implies that such individuals are rare and special, often possessing quirks or qualities that set them apart from the norm.
"Never let them go" emphasizes the idea that when you come across someone who is authentically themselves, it's a treasure worth cherishing. It suggests that you should appreciate and embrace their uniqueness rather than trying to change them.
In essence, this quote encourages us to value and celebrate the diversity of people, recognizing that those who are a little "weird" or unconventional can bring joy, creativity, and a refreshing perspective into our lives.