Behold the state of man's unstable mind,
Still prone to change with every changing wind!
All our resolves are weak, but weakest prove
Where sprung from sense of disappointed love.

Oh vanity of man's unstable mind,
Puffed up with every blast of friendly wind!

O piteous lot of man's uncertain state!
What woes on Life's unhappy journey wait!

A man's conscience is an unsteady judge of right and wrong.

O impotence of man's frail mind To fate and to the future blind, Presumptuous and o'erweening still When Fortune follows at its will!

Man (in good earnest) is a marvellous vain, fickle, and unstable subject, and on whom it is very hard to form any certain and uniform judgment.

Man in sooth is a marvellous, vain, fickle, and unstable subject.