The prosperous can not easily form a right idea of misery.
A liar should have a good memory.
Consequently the student who is devoid of talent will derive no more profit from this work than barren soil from a treatise on agriculture.
A liar ought to have a good memory.
Nature herself has never attempted to effect great changes rapidly.
The mind is exercised by the variety and multiplicity of the subject matter, while the character is moulded by the contemplation of virtue and vice.