There are three principal means of acquiring knowledge... observation of nature, reflection, and experimentation. Observation collects facts; reflection combines them; experimentation verifies… — Denis Diderot Copy Share Image
“Invest your money and time acquiring knowledge for yourself... and the good news is that as you do so, you keep your… — Israelmore Ayivor Copy Share Image
“That bodies should be lent us, while they can afford us pleasure, assist us in acquiring knowledge, or doing good to our… — Benjamin Franklin Copy Share Image