Nature's shadows are ever varying. Wm. Blake.

Nature's tears are Reason's merriment. Rom. and Jul., iv. 5.

Natures that have much heat, and great and violent desires and perturbations, are not ripe for action till they have passed the meridian of their years. Bacon.

Natürlicher Verstand kann fast jeden Grad von Bildung ersetzen, aber keine Bildung den natürlichen Verstand—Natural intelligence may make up almost every step in culture, but no culture make up for natural intelligence. Schopenhauer.

Natus nemo—Not a born soul. Plaut. 45

Natus sum; esuriebam, quærebam; nunc repletas requiesco—I was born; I felt hungry, and sought for food; now that I am satiated, I lay me down to rest.

Naufragium in portu facere—To make shipwreck in port. Quinct.

Nay! evermore, / All things and thoughts, both new and old, are writ / Upon the unchanging human heart and soul. Lewis Morris.

Nay, let us seek at home to find / Fit harvest for the brooding mind, / And find, since thus the world grows fair, / Duty and pleasure everywhere. Lewis Morris.

Nay, that's past praying for. 1 Henry IV., 50 ii. 4.