The darkest hours are just before dawn.

English Proverb

He who hesitates is lost.

English Proverb

Bad is never good until worse happens.

Danish Proverb

If you kick a stone in anger, you'll hurt your own foot.

Korean Proverb

Neither can the wave that has passed by being recalled, nor the hour which has passed return again.

Ovid

Countless words count less than the silent balance between yin and yang.

Lao Tzu