Do what you should, not what you may.
How great would be our peril if our slaves began to number us!
There is nothing which persevering effort and unceasing and diligent care cannot accomplish.
My joy in learning is partly that it enables me to teach.
We should give as we would receive, cheerfully, quickly, and without hesitation; for there is no grace in a benefit that sticks to the fingers.
The hour which gives us life begins to take it away.