In this alternation of rapture and despair all her time passes.

Who would prefer such an alternation to the equable life of pure thought?

Observe that Plato is preparing the way for his doctrine of the alternation of opposites.

The succession, or alternation of life and death, had occurred to Heracleitus.

Combine the last two exercises and give them in alternation.

Heterogeny: the alternation of sexual and parthenogenetic generations.

A second alternation of darkness and light marks the lapse of time.

To watch the alternation of these tints was the school of madness.

There was no distance, scarcely even an alternation of light and shadow.

It undergoes no alternation of passions; it is not at one time flushed with hope, nor at another chilled by disappointment.