Present law has a process to ascertain whether or not a patient is in a persistent vegetative state, and it should not matter what politicians think.
— Bobby Scott

When the mariner has been tossed for many days in thick weather, and on an unknown sea, he naturally avails himself of the first pause in the storm, the earliest glance of the sun, to take his latitude, and ascertain how far the elements have driven him from his true course. Let us imitate this prudence, and, before we float farther on the waves of this debate, refer to the point from which we departed, that we may at least be able to conjecture where we now are.
Daniel Webster ascertain quote

Science can only ascertain what is, but not what should be, and outside of its domain value judgments of all kinds remain necessary.
— Albert Einstein

It is impossible to devise a scientific experiment to describe the creation process, or even to ascertain whether such a process can take place. The Creator does not create at the whim of a scientist.
— Henry M. Morris

There is a class, moreover, by whom all these scientific theories, and more are held as ascertained facts, and as the basis of philosophical inferences which strike at the root of theistic beliefs.
— Asa Gray