There is no duty more obligatory than the repayment of kindness.
Nature has planted in our minds an insatiable longing to see the truth.
Liberty is rendered even more precious by the recollection of servitude.
Leisure consists in all those virtuous activities by which a man grows morally, intellectually, and spiritually. It is that which makes a life worth living.
Study carefully, the character of the one you recommend, lest their misconduct bring you shame.
No wise man has called a change of opinion in constancy.