Quotations about:
    take your time

The more haste, the worse speed.

James Howell (c. 1594–1666) Welsh historian, writer, aphorist

Paroimiographia [Παροιμιογραφία]: Proverbs, or, Old Sayed Sawes & Adages, “English Proverbs”” (1659) [compiler]
    (Source)

A few pages later, Howell quotes John Heywood (1546) the analogous "The more haste, the less speed."

See also See Augustus and Publilius Syrus.