Passing before the sight or perception, or, as it were, moving over or across a space or scene viewed, and then disappearing; hence, of short duration; not permanent; not lasting or durable; not stationary; passing; fleeting; brief; transitory; as, transient pleasure.
Hasty; momentary; imperfect; brief; as, a transient view of a landscape.
Staying for a short time; not regular or permanent; as, a transient guest; transient boarders.
In the presence of eternity, the mountains are as transient as the clouds. Robert Green Ingersoll
Owing to ignorance of the rope the rope appears to be a snake; owing to ignorance of the Self the transient state arises of the individualized, limited, phenomenal aspect of the Self. Guru Nanak
Modernity is the transient, the fleeting, the contingent; it is one half of art, the other being the eternal and the immovable. Charles Baudelaire
There have been people I've warmed to over the years but, as the situation I'm in is so fleeting and transient, I've always known it's going to be over kind of real quick. Robert Plant
History proves that all dictatorships, all authoritarian forms of government are transient. Only democratic systems are not transient. Whatever the shortcomings, mankind has not devised anything superior. Vladimir Putin