An art of expression should ...

An art of expression should begin with childhood, and the lucid use of one's mother tongue should be typical of that art. The sense of reality should be strengthened from the beginning, yet by no means at the cost of those lofty illusions we call patriotism, veneration, love.
 Louis Sullivan

Quotes from the same author

When you look on one of your contemporary 'good copies' of historical remains, ask yourself the question: Not what style, but in what civilization is this building? And the absurdity, vulgarity, anachronism and solecism of the modern structure will be revealed to you in a most startling fashion.
 Louis Sullivan
Words are most malignant, the most treacherous possession of mankind. They are saturated with the sorrows of all time.
 Louis Sullivan
Implicit in true freedom of spirit lies a proud and virile will. Such glorious power of free will to choose, envisages beneficent social responsibility as manifest and welcome.
 Louis Sullivan
What are books but folly, and what is an education but an arrant hypocrisy, and what is art but a curse when they touch not the heart and impel it not to action?
 Louis Sullivan
To teach is to touch the heart and impel it to action.
 Louis Sullivan