I think; therefore I am.
Rene Descartes

As basic rules of a language must be practiced continually, and therefore are never fixed, so exercises toward distinct color effects never are done or over. New and different cases will be discovered time and again.
Josef Albers

Men are anxious to improve their circumstances, but are unwilling to improve themselves; they therefore remain bound.
James Allen

Any ground subtracts its own hue from the colors which it carries and therefore influences.
Josef Albers

Everything is the product of one universal creative effort. There is nothing dead in Nature. Everything is organic and living, and therefore the whole world appears to be a living organism.
Lucius Annaeus Seneca

It is because the fight against the harshest aspects of unrestricted capitalism is therefore a political problem and not an intellectual one that community action remains so essential.
Barney Frank

Houses are built to live in, and not to look on: therefore let use be preferred before uniformity.
Francis Bacon

Therefore if a man look sharply and attentively, he shall see Fortune; for though she be blind, yet she is not invisible.
Francis Bacon

Our principles are the springs of our actions. Our actions, the springs of our happiness or misery. Too much care, therefore, cannot be taken in forming our principles.
Red Skelton

Not always actions show the man; we find who does a kindness is not therefore kind.
Alexander Pope

The most fundamental fact about the ideas of the political left is that they do not work. Therefore we should not be surprised to find the left concentrated in institutions where ideas do not have to work in order to survive.
Thomas Sowell

We have normality. I repeat, we have normality. Anything you still can't cope with is therefore your own problem.
Douglas Adams

Every therapeutic cure, and still more, any awkward attempt to show the patient the truth, tears him from the cradle of his freedom from responsibility and must therefore reckon with the most vehement resistance.
Alfred Adler

It is insight into human nature that is the key to the communicator's skill. For whereas the writer is concerned with what he puts into his writings, the communicator is concerned with what the reader gets out of it. He therefore becomes a student of how people read or listen.
William Bernbach

The truth. It is a beautiful and terrible thing, and must therefore be treated with great caution.
J. K. Rowling

It is through this mysterious power that we too have our being, and we therefore yield to our neighbors, even to our animal neighbors, the same right as ourselves to inhabit this vast land.
Sitting Bull

In my early days, I was eager to learn and to do things, and therefore I learned quickly.
Sitting Bull

Therefore, I do not wish to consider any proposition to cede any portion of our tribal holdings to the Great Father.
Sitting Bull

Very few people possess true artistic ability. It is therefore both unseemly and unproductive to irritate the situation by making an effort. If you have a burning, restless urge to write or paint, simply eat something sweet and the feeling will pass.
Fran Lebowitz

Consequently he who wishes to attain to human perfection, must therefore first study Logic, next the various branches of Mathematics in their proper order, then Physics, and lastly Metaphysics.
Maimonides