Once you have tasted the taste of sky, you will forever look up.

Berlin definitely has one of the most vibrant of the startup scenes that I have seen. Not really just across Europe, but across the whole world in terms of cities. It's an interesting dynamic.

If a product costs $10,000 or $20,000 it has limited use. This is what the first computers cost! Only when almost everyone is able to afford it will it be a real thing.

I personally don't invest in a lot of companies because I think it would be a conflict of interest and Facebook doesn't typically either.

Advertising works most effectively when it's in line with what people are already trying to do.

A beautiful body perishes, but a work of art dies not.

“Experience does not err. Only your judgements err by expecting from her what is not in her power.

Art is never finished, only abandoned.

It is easier to resist at the beginning than at the end.

Life well spent is long.

The painter has the Universe in his mind and hands.

Simplicity is the ultimate sophistication.

Wisdom is the daughter of experience.

A painter should begin every canvas with a wash of black, because all things in nature are dark except where exposed by the light.

As a well spent day brings happy sleep, so life well used brings happy death.

He who is fixed to a star does not change his mind.

I love those who can smile in trouble, who can gather strength from distress, and grow brave by reflection. It’s the business of little minds to shrink, but they whose heart is firm, and whose conscience approves their conduct, will pursue their principles unto death.