Better to be safe than sorry. – Proverb

To keep oneself safe does not mean to bury oneself. – Seneca (Seneca the Elder)

To learn about eye protection, ask someone who has one. – Author unknown

The motive power of the safety-first movement is a realization of the fact that lives and limbs need not be sacrificed to any desired result… – The Anode by the Bureau of Safety of the Anaconda Copper Mining Co., March 1917