Three stories to begin with:

1. Nokia refused Android
2. Yahoo refused Google
3. Kodak refused digital cameras

Lessons:

1. Take risks
2. Embrace change
3. If you refuse to change with time, you will be obsoleted

Two more stories:

1. Facebook takes over WhatsApp and Instagram
2. Grab takes over Uber in South East Asia

Lessons:

1. Become so powerful that your competitors become your allies
2. Reach the top position and then eliminate the competition
3. Keep innovating

Two more stories:

1. Colonel Sanders founded KFC at the age of 65
2. Jack Ma, who couldn't get a job at KFC, founded Alibaba, and retired at 55

Lessons:

1. Age is just a number
2. Only those who keep trying will succeed

Last but not the least:

Lamborghini was founded as a result of the revenge of a tractor owner who was insulted by Enzo Ferrari, the founder of Ferrari

Lessons:

Never underestimate anyone, ever!

✔️Just keep working hard

✔️ Invest your time wisely

✔️ Don't be afraid to fail

Quora; answer by Apoorv Sethi