No subscription or hidden extras
Read through the most famous quotes by topic #principal
There are three principal means of acquiring knowledge... observation of nature, reflection, and experimentation. Observation collects facts; reflection combines them; experimentation verifies the result of that combination. ↗
Those who have heard or read anything from me on the subject, know that one of the principal points insisted on is, the forming of societies or any other artificial combinations IS the first, greatest, and most fatal mistake ever committed by legislators and by reformers. ↗