He who acknowledges a ...

He who acknowledges a kindness has it still, and he who has a grateful sense of it has requited it.
He who acknowledges a kindness has it still, and he who has a grateful sense of it has requited it.

More phrases

If one does not know to which port one is sailing, no wind is favorable.
What a distressing contrast there is between the radiant intelligence of the child and the feeble mentality of the average adult.
We are masters of the unsaid words, but slaves of those we let slip out.
I have always found that mercy bears richer fruits than strict justice.
A lie gets halfway around the world before the truth has a chance to get its pants on.

Quotes from the same author

Let arms give place to the robe, and the laurel of the warriors yield to the tongue of the orator.
Philosophy is the true mother of science.
Such are a well regulated militia, composed of the freeholders, citizen and husbandman, who take up arms to preserve their property, as individuals, and their rights as freemen.
This wine is forty years old. It certainly doesn't show its age.
If you would abolish covetousness, you must abolish its mother, profusion.