In the present state of our knowledge it would be useless to attempt to speculate on the remote cause of the electrical energy... its relation to chemical affinity is however sufficiently evident. May it not be identical with it and an essential property of matter?

It is my deliberate opinion that the one essential requisite of human welfare in all ways is scientific knowledge of human nature.

Now it is established in the sciences that no knowledge is acquired save through the study of its causes and beginnings if it has had causes and beginnings nor completed except by knowledge of its accidents and accompanying essentials.

I am not a member of any organization listed by the Attorney General as subversive. In any instance where I lent my name in the past it was certainly without knowledge that such an organization was subversive. I have always been essentially and foremost an American.

To express the same idea in still another way I think that human knowledge is essentially active.

Everything has been said yet few have taken advantage of it. Since all our knowledge is essentially banal it can only be of value to minds that are not.

Like hatred jealousy is forbidden by the laws of life because it is essentially destructive.

The prompt assimilation of that intelligence will be essential if we are to avoid another September 11th.

Would it not be much better to have a president who deliberately lied to the people because he thought a war was essential than to have one who was so dumb as to be taken in by intelligence agencies especially those who told him what he wanted to hear?

In intelligence work there are limits to the amount of information one can share. Confidentiality is essential.

The essential elements of giving are power and love - activity and affection - and the consciousness of the race testifies that in the high and appropriate exercise of these is a blessedness greater than any other.

Imagination is as vital to any advance in science as learning and precision are essential for starting points.

Death? Why this fuss about death? Use your imagination try to visualize a world without death! Death is the essential condition of life not an evil.

For someone who writes fiction in order to activate the imagination and the unconscious it's essential to be free.

Essentially I'm untrained so I just go with my imagination and try to put myself as solidly as I can into the shoes of whatever person I'm going to be playing.

No amount of skillful invention can replace the essential element of imagination.

Prior to Wordsworth humor was an essential part of poetry. I mean they don't call them Shakespeare comedies for nothing.