The tree of research must be ...

The tree of research must be fed from time to time with the blood of bean-counters, for it is its natural manure.
The tree of research must be fed from time to time with the blood of bean-counters, for it is its natural manure.
 Alan Kay

More phrases

All the great things are simple, and many can be expressed in a single word: freedom, justice, honor, duty, mercy, hope.
I know but one freedom and that is the freedom of the mind.
 Antoine de Saint-Exupéry
Freedom is not worth having if it does not connote freedom to err.
The amount of happiness that you have depends on the amount of freedom you have in your heart.
 Thích Nhất Hạnh
Without freedom of thought, there can be no such thing as wisdom - and no such thing as public liberty without freedom of speech.

Quotes from the same author

The best way to predict the future is to invent it.
 Alan Kay
The result is - document destruction - we're really not going to be able to prove beyond a truth the negatives and some of the positive conclusions that we're going to come to. There will be always unresolved ambiguity here.
 Alan Kay
I think the trick with knowledge is to acquire it, and forget all except the perfume - because it is noisy and sometimes drowns out one's own brain voices. The perfume part is important because it will help find the knowledge again to help get to the destinations the inner urges pick.
 Alan Kay
If you're utopian, you're never satisfied.
 Alan Kay
The best way to predict the future is to invent it.
 Alan Kay