“Life is one long struggle in the dark.”

Under what law each thing was created, and how necessary it is for it to continue under this, and how it cannot annul the strong rules that govern its lifetime.

Fear holds dominion over mortality Only because, seeing in land and sky So much the cause whereof no wise they know, Men think Divinities are working there.

There is so much wrong with the world.

What once sprung from the earth sinks back into the earth.

We notice that the mind grows with the body, and with it decays.

No fact is so simple that it is not harder to believe than to doubt at the first presentation. Equally, there is nothing so mighty or so marvelous that the wonder it evokes does not tend to diminish in time.

Forbear to spew out reason from your mind, but rather ponder everything with keen judgment; and if it seems true, own yourself vanquished, but, if it is false, gird up your loins to fight.

Nothing comes from nothing.

Tears for the mourners who are left behind Peace everlasting for the quiet dead.

There is no place in nature for extinction.

In the midst of the fountain of wit there arises something bitter, which stings in the very flowers.

From the midst of the very fountain of pleasure, something of bitterness arises to vex us in the flower of enjoyment.

Religious questions have often led to wicked and impious actions.

For there is a VOID in things; a truth which it will be useful for you, in reference to many points, to know; and which will prevent you from wandering in doubt.

The sum of all sums is eternity.

Now come: that thou mayst able be to know That minds and the light souls of all that live Have mortal birth and death, I will go on Verses to build meet for thy rule of life, Sought after long, discovered with sweet toil.

Suffering belongs to no language.

Both hope and pessimism are deeply contagious. And no one is more infectious than a leader.

It is responsible for smuggling explosives and drugs into Saudi Arabia.

Time is the turning over of days, works change for better or worse.

To believe that women’s contributions have been less important than men’s contributions because women are usually less public people.

Know thyself means this, that you get acquainted with what you know, and what you can do.

Up against another human being one’s own procedures take on definition.

For all kinds of reasons, it is more difficult to track women’s lives. Women’s words have simply been considered less important, so they have been preserved less often.