It is often said that the earth belongs to the race, as if raw land was a boon, or gift.

Civil liberty is the status of the man who is guaranteed by law and civil institutions the exclusive employment of all his own powers for his own welfare.

Then, again, the ability to organize and conduct industrial, commercial, or financial enterprises is rare; the great captains of industry are as rare as great generals.

The waste of capital, in proportion to the total capital, in this country between 1800 and 1850, in the attempts which were made to establish means of communication and transportation, was enormous.

An illness is like a journey into a far country; it sifts all one's experience and removes it to a point so remote that it appears like a vision.

Years of cultural programming have taught us to love some animals while eating others, when in all reality, all animals are sentient beings with the capacity to feel, both physically and emotionally. Every day, I have the choice to live a life of compassion that not only saves animals but helps the environment.

This is the highest wisdom that I own; freedom and life are earned by those alone who conquer them each day anew.

As for the forces, electromagnetism and gravity we experience in everyday life. But the weak and strong forces are beyond our ordinary experience. So in physics, lots of the basic building blocks take 20th- or perhaps 21st-century equipment to explore.