The plays and sports of children are as salutary to them as labor and work are to grown persons.

False facts are highly injurious to the progress of science for they often endure long but false views if supported by some evidence do little harm for every one takes a salutary pleasure in proving their falseness.

Alone let him constantly meditate in solitude on that which is salutary for his soul for he who meditates in solitude attains supreme bliss.