Not to appreciate life, all of life, is not to deserve it.
He who loves practice without theory is like the sailor who boards ship without a rudder and compass and never knows where he may cast.
The desire to know is natural to good men.
Thou, O God, dost sell us all good things at the price of labor.
Truth is so excellent, that if it praises but small things they become noble.
To lie is vile, to tell truth is excellent, if not noble.