The master of a single trade can support a family. The master of seven trades cannot support himself. The wind is never for the sailor who knows not to what port he is bound.

Advertising Disclosure: Please note that many links to retailers are affiliate links, which yields a commission for us. allauthor.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon sites.