Not the fastest horse can catch a word spoken in anger.

Chinese Proverb

If you chase two rabbits, you catch none.

Confucius

Nothing is so dear and precious as time.

French Proverb

Discretion is the greater part of valor.

English Proverb

Haste has no blessing.

Swahili saying

If you should put even a little on a little and should do this often, soon this would become big.

Hesiod