Nothing of worth or weight can be achieved with half a mind, with a faint heart, and with a lame endeavor.

Mathematics - the unshaken Foundation of Sciences, and the plentiful Fountain of Advantage to human affairs.

The fruits of the earth do not more obviously require labor and cultivation to prepare them for our use and subsistence, than our faculties demand instruction and regulation in order to qualify us to become upright and valuable members of society, useful to others, or happy ourselves.

It is safe to make a choice of your thoughts, scarcely ever safe to express them all.

There do remain dispersed in the soil of human nature divers seeds of goodness, of benignity, of ingenuity, which, being cherished, excited, and quickened by good culture, do, by common experience, thrust out flowers very lovely, and yield fruits very pleasant of virtue and goodness.

Wherefore for the public interest and benefit of human society it is requisite that the highest obligations possible should be laid upon the consciences of men.

It is a fair adornment of a man and a great convenience both to himself and to all those with whom he converses and deals, to act uprightly, uniformly, and consistently. The practice of piety frees a man from interior distraction and from irresolution in his mind, from duplicity or inconstancy in his character, and from confusion in his proceedings, and consequently securing for others freedom from deception and disappointment in their transactions with him.