True knowledge never shuts the door on more knowledge, but zeal often does.
No matter where we begin, if we pursue knowledge diligently and honestly, our quest will inevitably lead us from the things of the earth to the things of heaven.
As knowledge increases, the verdict of yesterday must be reversed today, and in the long run the most positive authority is the least to be trusted.
Follow AzQuotes on Facebook, Twitter and Google+. Every day we present the best quotes! Improve yourself, find your inspiration, share with friends
or simply: