The foundation of our Empire was not laid in the gloomy age of Ignorance and Superstition, but at an Epoch when the rights of mankind were better understood and more clearly defined than at any former period, the researches of the human mind, after social happiness, have been carried to a great extent, the Treasures of knowledge, acquired by the labours of Philosophers, Sages and Legislatures, through a long succession of years, are laid open for our use, and their collected wisdom may be happily applied in the Establishment of our forms of Government.

The limit of man's knowledge in any subject possesses a high interest which is perhaps increased by its close neighbourhood to the realms of imagination.

Ignorance more frequently begets confidence than does knowledge: it is those who know little, and not those who know much, who so positively assert that this or that problem will never be solved by science.

It is true that impatience, the mother of stupidity, praises brevity, as if such persons had not life long enough to serve them to acquire a complete knowledge of one single subject, such as the human body; and then they want to comprehend the mind of God in which the universe is included, weighing it minutely and mincing it into infinite parts, as if they had to dissect it!

It [International Yoga Day] is a reflection of the largest knowledge based peoples' movement the world has ever seen.

For the kind of America in which we believe is too strong ever to acknowledge fear and too wise ever to fear knowledge. This is the kind of America - and the kind of Republican Party - in which I believe.