A little learning is a dangerous thing.

Some people will never learn anything, for this reason, because they understand everything too soon.

A little learning is a dangerous thing.
Drink deep, or taste not the Pierian Spring;
There shallow draughts intoxicate the brain,
and drinking largely sobers us again.

A little learning is a dangerous thing; Drink deep, or taste not the Pierian spring.

We learn more by looking for the answer to a question and not finding it than we do from learning the answer itself.

Anyone who wishes to learn how to play chess well must make himself or herself thoroughly conversant with the play in positions where the players have castled on opposite sides.