Nec levis hora potest: sed ut unda impellitur unda,
Urgeturque prior veniente, urgetque priorem,
Tempora sic fugiunt pariter, pariterque sequuntur.
Ovid, Met. xv. 179.
With constant motion as the moments glide.
Behold in running life the rolling tide!
For none can stem by art, or stop by pow'r,
The flowing ocean, or the fleeting hour:
But wave by wave pursued arrives on shore,
And each impell'd behind impels before: