Human knowledge and human power meet in one; for where the cause is not known the effect cannot be produced. Nature to be commanded must be obeyed; and that which in contemplation is as the cause is in operation as the rule.

Man, being the servant and interpreter of Nature, can do and understand so much and so much only as he has observed in fact or in thought of the course of natu…

It would be an unsound fancy and self-contradictory to expect that things which have never yet been done can be done except by means which have never yet been …

Those who have taken upon them to lay down the law of nature as a thing already searched out and understood, whether they have spoken in simple assurance or pr…

Nam et ipsa scientia potestas est.

In one of the most brilliant papers in the English language [David] Hume made it clear that what we speak of as 'causality' is nothing more than the phenomenon…

There is no quantum world. There is only an abstract physical description. It is wrong to think that the task of physics is to find out how nature is. Physics …