It should be noted that the games of children are not games, and must be considered as their most serious actions.

It should be noted that children at play are not playing about; their games should be seen as their most serious-minded activity.

Satiety comes of too frequent repetition; and he who will not give himself leisure to be thirsty can never find the true pleasure of drinking

Nothing is so firmly believed as that which is least known

The value of life lies not in the length of days, but in the use we make of them... Whether you find satisfaction in life depends not on your tale of years, but on your will.

In nine lifetimes, you'll never know as much about your cat as your cat knows about you.