No employment can be managed without arithmetic, no mechanical invention without geometry.
'Tis more noble to forgive, and more manly to despise, than to revenge an Injury.
Be in general virtuous, and you will be happy.
You will observe with concern how long a useful truth may be known, and exist, before it is generally received and practiced on.
Drive your business. Let not your business drive you.
Do not do that which you would not have known.