If the facts don't fit the theory, change the facts.

If the facts don't fit the theory, change the facts.

He who loves practice without theory is like the sailor who boards ship without a rudder and compass and never read more

He who loves practice without theory is like the sailor who boards ship without a rudder and compass and never knows where he may cast.

In scientific work, those who refuse to go beyond fact rarely get as far as fact.

In scientific work, those who refuse to go beyond fact rarely get as far as fact.

You have to know you can first. How comes later.

You have to know you can first. How comes later.

How empty is theory in the presence of fact

How empty is theory in the presence of fact

You cannot run a business, or anything else, on a theory.

You cannot run a business, or anything else, on a theory.

In theory there is no difference between theory and practice. In practice there is.

In theory there is no difference between theory and practice. In practice there is.

[Do not] put too much confidence in experimental results until they have been confirmed by theory.

[Do not] put too much confidence in experimental results until they have been confirmed by theory.

An ounce of action is worth a ton of theory.

An ounce of action is worth a ton of theory.