If every conceivable precaution is taken at first, one is often too discouraged to proceed at all.

If every conceivable precaution is taken at first, one is often too discouraged to proceed at all.

如果一开始就采取一切可能的预防措施，人们往往会因过于气馁而根本不愿采取行动。

-- Archer John Porter Martin 阿彻·约翰·波特·马丁