As with most journeys, how you get to where you want to go depends on where you start. This applies to starting a business as much as it does to going on any other journey.
No one, regardless of how good or smart you are, can go it alone. If someone starting a company agrees with this premise, how does that person decide whom to add to the team? First, it is important to note that adding to the team does not necessarily require hiring a person nor does it necessarily require taking on a partner.