That which ordinary men are fit for, I am qualified in; and the best of me is diligence.

King Lear. Act i. Sc. 4.

Ingratitude, thou marble-hearted fiend!

King Lear. Act i. Sc. 4.

How sharper than a serpent's tooth it is

To have a thankless child!

King Lear. Act i. Sc. 4.

Striving to better, oft we mar what 's well.

King Lear. Act i. Sc. 4.

Hysterica passio, down, thou climbing sorrow,