Date: 1741

"Whatsoever Improvements arise to the Mind of Man from the wise Exercise of his own reasoning Powers, these may be called his proper Manufactures; and whatsoever he borrows from Abroad these may be termed his foreign Treasures: both together make a wealthy and happy Mind."

— Watts, Isaac (1674-1748)

Date: 1741

"What an unknown and unspeakable Happiness would it be to a Man of Judgment, and who is engaged in the Pursuit of Knowledge, if he had but a Power of stamping all his own best Sentiments upon his Memory in some indelible Characters; and if he could but imprint every valuable Paragraph and Sentime...

— Watts, Isaac (1674-1748)

Date: 1741

"But what Part of the Brain that is, wherein the Images of Things lie treasured up, is very hard for us to determine with Certainty. It is most probable that those very Fibres, Pores or Traces of the Brain, which assist at the first Idea or Perception of any Object, are the fame which assist also...

— Watts, Isaac (1674-1748)

Date: 1741

"So for Instance, in Children; they perceive and forget a hundred Things in an Hour; the Brain is so soft that it receives immediately all Impressions like Water or liquid Mud, and retains scarce any of them: All the Traces, Forms or Images which are drawn there, are immediately effaced or closed...

— Watts, Isaac (1674-1748)

Date: 1741

"On the contrary, in old Age, Men have a very feeble Remembrance of Things that were done of late, i.e. the same Day or Week or Year; the Brain is grown so hard that the present Images or Strokes make little or no Impression, and therefore they immediately vanish."

— Watts, Isaac (1674-1748)

Date: 1741

"Prisco in his seventy eighth Year will tell long Stories of Things done when he was in the Battle at the Boyne almost fifty Years ago, and when he studied at Oxford seven Years before; for those Impressions were made when the Brain was more susceptive of them; they have been deeply engraven at t...

— Watts, Isaac (1674-1748)

Date: 1741

"But Words and Things which he lately spoke or did, they are immediately forgot, because the Brain is now grown more dry and solid in its Consistence, and receives not much more impression than if you wrote with your Finger on a Floor of Clay, or a plaister'd Wall."

— Watts, Isaac (1674-1748)

Date: 1741

"But in the middle Stage of Life, or it may be from fifteen to fifty Years of Age, the Memory is generally in its happiest State, the Brain easily receives and long retains the Images and Traces which are impress'd upon on it, and the natural Spirits are more active to range these little infinite...

— Watts, Isaac (1674-1748)

Date: 1741

"Yet there should be a Caution given in some Cases: the Memory of a Child or any infirm person should not be over-burdened; for a Limb or a Joint may be overstrained by being too much loaded, and its natural Power never be recovered."

— Watts, Isaac (1674-1748)

Date: 1741

"And particularly they should take care that the Memory of the Learner be not too much crouded with a tumultuous Heap or over-bearing Multitude of Documents or Ideas at one Time."

— Watts, Isaac (1674-1748)