God has lent us the earth for our life; it is a great entail. It belongs as much to those who are to come after us, and whose names are already written in the book of creation, as to us; and we have no right, by anything that we do or neglect, to involve them in unnecessary penalties, or deprive them of benefits which it was in our power to bequeath.

We were not sent into this world to do anything into which we cannot put our hearts.

The art of drawing which is of more real importance to the human race than that of writing...should be taught to every child just as writing is.

Let every dawn be to you as the beginning of life, and every setting sun be to you as its close.

No good work whatever can be perfect, and the demand for perfection is always a sign of a misunderstanding of the ends of art.

The power of association is stronger than the power of beauty; therefore, the power of association is the power of beauty.

... no human actions ever were intended by the Maker of men to be guided by balances of expediency, but by balances of justice.