No pleasure is fully delightful without communications, and no delight absolute except imparted.

Children's games are hardly games. Children are never more serious than when they play.

Is there anything so grave and serious as an ass?

Whenever a new discovery is reported to the world, they say first, It is probably not true, Then after, when the truth of the new proposition has been demonstrated beyond question, they say, Yes, it may be true, but it is not important. Finally, when sufficient time has elapsed to fully evidence its importance, they say, Yes, surely it is important, but it is no longer new.

Learning is a good medicine: but no medicine is powerful enough to preserve itself from taint and corruption independently of defects in the jar that it is kept in. One man sees clearly but does not see straight: consequently he sees what is good but fails to follow it; he sees knowledge and does not use it.

There is no greater enemy to those who would please than expectation.

Only the fools are certain and assured.