Reading furnishes the mind only with materials of knowledge it is thinking that makes what we read ours. – John Locke
If by gaining knowledge we destroy our health, we labour for a thing that will be useless in our hands. – John Locke
It is of great use to the sailor to know the length of his line, though he cannot with it fathom all the depths of the ocean. – John Locke
All mankind… being all equal and independent, no one ought to harm another in his life, health, liberty or possessions. – John Locke