The most unreliable thing in this world is human relationships.
Never ever compete on prices, instead compete on services and innovation.
You should learn from your competitor, but never copy. Copy and you die.
30% of all people will never believe you. Do not allow your colleagues and employees to work for you. Instead, let them work for a common goal.
It doesn't matter if I failed. At least I passed the concept on to others. Even if I don't succeed, someone will succeed.
A leader should be a visionary and have more foresight than an employee.