It is a world of mischief that may be done by a single example of avarice or luxury. One voluptuous palate makes many more.

Nothing will ever please me, no matter how excellent or beneficial, if I must retain the knowledge of it to myself. . . . . . No good thing is pleasant to possess, without friends to share it.

While crime is punished it yet increases.

If thou art a man, admire those who attempt great things, even though they fail.

No one can have a peaceful life who thinks too much about lengthening it.

How many discoveries are reserved for the ages to come when our memory shall be no more, for this world of ours contains matter for investigation for all generations.

Concealed anger is to be feared; but hatred openly manifested destroys its chance of revenge.