Sources Quotes

604 quotes by 528 authors

Innovation is the specific tool of entrepreneurs, the means by which they exploit change as an opportunity for a different business or a different service.… — Peter Drucker
When understanding of the universe has become widespread, when the majority of men know that the stars are not sources of light but worlds, perhaps… — Adolf Hitler
Dreams are the sources of action, the meeting and the end, a resting place among the flight of things. — Muriel Rukeyser
The pure, frank sentiments we hold in our hearts are the only truthful sources of art. — Caspar David Friedrich
Human envy is certainly not one of the sources of discontent that a free society can eliminate. It is probably one of the essential conditions… — Friedrich August von Hayek
Which 20% of sources are causing 80% of my problems and unhappiness? Which 20% of sources are resulting in 80% of my desired outcomes and… — Tim Ferriss
The path towards sustainable energy sources will be long and sometimes difficult. But America cannot resist this transition, we must lead it. We cannot cede… — Barack Obama
Our knowledge springs from two fundamental sources of the mind; the first is the capacity of receiving representations (receptivity for impressions), the second is the… — Immanuel Kant
The greatest achievements in the science of this [twentieth] century are themselves the sources of more puzzlement than human beings have ever experienced. Indeed, it… — Lewis Thomas
Now it seems that everything in the world stems from sources other than God, since the products of nature have their source in nature; deliberate… — Thomas Aquinas
Do not work self into a state of over-anxiety at the changes that will be found, or attempt to use up the strength and vitality… — Edgar Cayce
It was unworthy of our military sources that they were the first to weaken. — Mohammed Saeed al-Sahaf
Christianity cannot erase man's need for pleasure, nor can it eradicate the various sources of pleasure. What it can do, however, and what it has… — George H. Smith
That's right-the striking thing about greenhouse gases is the diversity of sources that emit them. A herd of cattle belching can be worse than highway… — Thomas Friedman
Nothing is known in our profession by guess; and I do not believe, that from the first dawn of medical science to the present moment,… — Astley Cooper
... if the society toward which we are developing is not to be a nightmare of exhaustion, we must use the interlude of the present… — Kenneth E. Boulding
Engineering is the art of directing the great sources of power in nature for the use and convenience of man. — Thomas Tredgold
Humanity stands ... before a great problem of finding new raw materials and new sources of energy that shall never become exhausted. In the meantime… — Svante Arrhenius
Only a tiny fraction of corpses fossilize, and we are lucky to have as many intermediate fossils as we do. We could easily have had… — Richard Dawkins
I believe that from the earth emerges a musical poetry that is by the nature of its sources tonal. I believe that these sources cause… — Leonard Bernstein

Who Wrote These Sources Quotes

528 authors contributed a total of 604 Sources Quotes, led by these top contributors: