Facts are the air of scientists. Without them you can never fly.

Facts are the air of scientists. Without them you can never fly.

It is the customary fate of new truths to begin as heresies and to end as superstitions.

It is the customary fate of new truths to begin as heresies and to end as superstitions.

Mankind always sets itself only such tasks as it can solve; since, looking at the matter more closely, we will read more

Mankind always sets itself only such tasks as it can solve; since, looking at the matter more closely, we will always find that the task itself arises only when the material conditions necessary for its solution already exist or are at least in the process of formation.

Men have become the tools of their tools.

Men have become the tools of their tools.

I do not fear computers. I fear the lack of them.

I do not fear computers. I fear the lack of them.

Computers are useless. They can only give you answers.

Computers are useless. They can only give you answers.

Surgery is the red flower that blooms among the leaves and thorns that are the rest of medicine.

Surgery is the red flower that blooms among the leaves and thorns that are the rest of medicine.

Leaders have to act more quickly today. The pressure comes much faster.

Leaders have to act more quickly today. The pressure comes much faster.

Every great advance in science has issued from a new audacity of imagination.

Every great advance in science has issued from a new audacity of imagination.