Old friends become bitter enemies on a sudden for toys and small offenses.
Be not solitary, be not idle
Melancholy can be overcome only by melancholy.
To enlarge or illustrate this power and effect of love is to set a candle in the sun.
They [i.e. ambitious men] may not cease, but as a dog in a wheel, a bird in a cage, or a squirrel in a chain, so Budaeus compares them; they climb and climb still, with much labour, but never make an end, never at the top.
[T]hou canst not think worse of me than I do of myself.