Stay hungry, stay foolish.
— Steve Jobs

If you can’t fly then run,
if you can’t run then walk,
if you can’t walk then crawl,
but whatever you do you have to keep moving forward.
— Martin Luther King Jr.

Keep it simple stupid (K.I.S.S.)
— Kelly Johnson

Be the change you want to see happen.
— Arleen Lorrance

Keep calm and carry on.
— British government

Cogito, ergo sum.
— Rene Descartes

Knowledge is power.
— Imam Ali

To find yourself, think for yourself.
— Socrates

Yesterday is history
Tomorrow is a mystery
But today is a gift
That is why it’s called the present.
— Oogway

An expert is a person who has found out by his own painful experience all the mistakes that one can make in a very narrow field.
— Niels Bohr

Everybody comes to a point in their life when they want to quit. But it’s what you do at that moment that determines who you are.
— David Goggings