What is called happiness is ...

What is called happiness is an abstract idea, composed of various ideas of pleasure; for he who has but a moment of pleasure is not a happy man, in like manner that a moment of grief constitutes not a miserable one.
What is called happiness is an abstract idea, composed of various ideas of pleasure; for he who has but a moment of pleasure is not a happy man, in like manner that a moment of grief constitutes not a miserable one.

Quotes from the same author

God gave us the gift of life; it is up to us to give ourselves the gift of living well.
To enjoy life, we must touch much of it lightly.
Think for yourselves and let others enjoy the privilege to do so too.
Friendship is the marriage of the soul, and this marriage is liable to divorce.
No snowflake in an avalanche ever feels responsible.