wahania in inglese:

In our fluctuations of feeling, it is well to remember that Jesus admits no change in His affections

The consumer price index has been fluctuating wildly.

Obviously there are many variations between these two extremes.

Every time a man is begotten and born, the clock of human life is wound up anew to repeat once more its same old tune that has already been played innumerable times, movement by movement and measure by measure, with insignificant variations.