A snake lurks in the grass.

Some suggestions for you :

Fear is proof of a degenerate mind.

Every man makes a god of his own desire.

Happy is he who can trace effects to their causes.

Mind moves matter.

He enters the port with a full sail.

Even virtue is fairer when it appears in a beautiful person.

Fury itself supplies arms.

It is easy to go down into Hell; night and day, the gates of dark Death stand wide; but to climb back again, to retrace one's steps to the upper air - there's the rub, the task.

From my example learn to be just, and not to despise the gods.

Better times perhaps await us who are now wretched.

Happy the man who has been able to learn the causes of things.

Trust not too much to appearances.

There should be no strife with the vanquished or the dead.

Each of us bears his own Hell.