“Let thy mind rule thy tongue!”
The Sayings of the Wise (1555)
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Pythagoras 121
ancient Greek mathematician and philosopher -585–-495 BCRelated quotes

"April", in Poems (1859)
Context: Awakener, come!
Fiing wide the gate of an eternal year,
The April of that glad new heavens and earth
Which shall grow out of these, as spring-tide grows
Slow out of winter's breast.
Let Thy wide hand
Gather us all — with none left out (O God!
Leave Thou out none!) from the east and from the west.
Loose Thou our burdens: heal our sicknesses;
Give us one heart, one tongue, one faith, one love.
In Thy great Oneness made complete and strong —
To do Thy work throughout the happy world —
Thy world, All-merciful, Thy perfect world.

“Let not thy mind run on what thou lackest as much as on what thou hast already.”
VII, 27
Meditations (c. 121–180 AD), Book VII
Context: Think not so much of what thou hast not as of what thou hast: but of the things which thou hast, select the best, and then reflect how eagerly they would have been sought, if thou hadst them not. At the same time, however, take care that thou dost not, through being so pleased with them, accustom thyself to overvalue them, so as to be disturbed if ever thou shouldst not have them.