Science when well-digested is nothing but good sense and reason.
Have the courage to face a difficulty lest it kick you harder than you bargain for.
He who fears death dies every time he thinks of it.
We rise to fortune by successive steps; we descend by only one.
There are few defects in our nature so glaring as not to be veiled from observation by politeness and good-breeding.
To make good use of life, one should have in youth the experience of advanced years, and in old age the vigor of youth.