The book-keeping of benefits is simple: it is all expenditure; if any one returns it, that is clear gain; if he does not return it, it is not lost, I gave it for the sake of giving.

When thou hast profited so much that thou respectest even thyself, thou mayst let go thy tutor.

Nature does not turn out her work according to a single pattern; she prides herself upon her power of variation.

There is none made so great, but he may both need the help and service, and stand in fear of the power and unkindness, even of the meanest of mortals.

The voice of flattery affects us after it has ceased, just as after a concert men find some agreeable air ringing in their ears to the exclusion of all serious business.

Virtue needs a director and guide. Vice can be learned even without a teacher.

The bravest sight in the world is to see a great man struggling against adversity.