I am a Berliner.

Ask not what your country can do for you — ask what you can do for your country.

Those who make peaceful revolution impossible will make violent revolution inevitable.

I knew that if I failed I wouldn't regret that, but I knew the one thing I might regret is not trying.

-- Jeff Bezos

If you don't give up, you still have a chance. Giving up is the greatest failure.

-- Jack Ma

Failure is an option here. If things are not failing, you are not innovating enough.

-- Elon Musk

If you want to do something great, you should not be afraid of suffering.

-- Jensen Huang

Stay Hungry. Stay Foolish.

-- Steve Jobs

Only about one percent of my work truly succeeded. Ninety-nine percent was failure. That one percent made me who I am.

-- Sōichirō Honda