Translate the following English sentence to French:
"So of course we have to react, and do so quickly, and unfortunately we know all too well that the price of our procrastination and delays is paid in human lives."
Alors, bien sûr, nous devons réagir, et vite, et nous savons trop bien, hélas, que le prix de nos atermoiements et de nos retards se paie en vies humaines.