It is easy to utter what has been kept silent, but impossible to recall what has been uttered.
Nature and wisdom never are at strife.
Character is simply habit long continued.
Custom is almost a second nature.
The richest soil, if uncultivated, produces the rankest weeds.
Antisthenes says that in a certain faraway land the cold is so intense that words freeze as soon as they are uttered, and after some time then thaw and become audible, so that words spoken in winter go unheard until the next summer.