“If one gains an interest in the history of the earth, he is quite sure to gain an interest in the history of the life on the earth. If the former illustrates the theory of development, so must the latter.”

I have discovered the secret of happiness. It is work.

Emerson’s fame as a writer and thinker was firmly established during his lifetime by the books he gave to the world.

Emerson was such an important figure in our literary history, and in the moral and religious development of our people, that attention cannot be directed to him too often.

Nature furnishes the conditions – the solitude – and the soul furnishes the entertainment.

The pond-lily is a star and easily takes the first place among lilies; and the expeditions to her haunts, and the gathering her where she rocks upon the dark.

The dog is often quick to resent a kick, be it from man or beast, but I have never known him to show anger at the door that slammed to and hit him. Probably, if the door held him by his tail or his limb, it would quickly receive the imprint of his teeth.

I find that something one gets from Emerson in early life does not leave him when he grows old.

Living in the city is a discordant thing, an unnatural thing.

How many thorns of human nature are bristling conceits, buds of promise grown sharp for want of congenial climate.

I seldom go into a natural history museum without feeling as if I were attending a funeral.

Leap, and the net will appear.

The distribution of plants in a given locality is not more marked and defined than that of the birds. Show a botanist a landscape, and he will tell you where to look for the lady’s-slipper, the columbine, or the harebell.

It seems to me that evolution adds greatly to the wonder of life because it takes it out of the realm of the arbitrary, the exceptional, and links it to the sequence of natural causation.

Where country life is safe and enjoyable, where many of the conveniences and appliances of the town are joined to the large freedom and large benefits of the country, a high state of civilization prevails.

One may summon his philosophy when they are beaten in battle, not till then.

Joy in the universe, and keen curiosity about it all – that has been my religion.

In art there are only fast or slow developments. Essentially it is a matter of evolution, not revolution.

One other thing, if it’s possible, as songwriters, you should also develop yourself as record producers.

Capitalism is a development by refinement from feudalism, just as feudalism is development by refinement from slavery .

I want to challenge those who aim to block change, stop development and restrict success. I want to challenge the caution that strangles risk-takers and go-getters.

Providing all Latin-American children with the education and early childhood development that they need is in the best interest of all, so it has to be a priority for all of us, not only the government and civil society, but also the business sector.

Without books, the development of civilization would have been impossible.

Seen that way, the wholesale transformation of production technologies that is mandated by pollution prevention creates a new surge of economic development.

If a project has not achieved a system architecture, including its rationale, the project should not proceed to full-scale system development. Specifying the architecture as a deliverable enables its use throughout the development and maintenance process.