The world you live in is not a given; much of what is best in it has been built through the struggles of passionate activists over the last centuries. They won us many freedoms and protected many beauties. Count those gifts among your growing heap.

I feel often that we don't have the right language to talk about emotions in disasters. Everyone is on edge, of course, but it also pulls people away from a lot of trivial anxieties and past and future concerns and gratuitous preoccupations that we have, and refocuses us in a very intense way.

For me, being in a car or on an airplane is like being in limbo. It's this dead zone between two places. But to walk, you're some place that's already interesting. You're not just between places. Things are happening.

Violence always seems to me the worst form of tyranny. It deprives people of their rights, including the right to live.

Riding a bicycle is the summit of human endeavour - an almost neutral environmental effect coupled with the ability to travel substantial distances without disturbing anybody. The bike is the perfect marriage of technology and human energy.

Taking bold action on climate change simply makes good business sense. It's also the right thing to do for people and the planet. Setting a net-zero GHG emissions target by 2050 will drive innovation, grow jobs, build prosperity, and secure a better world for what will soon be 9 billion people.

Those who visit foreign nations, but associate only with their own country-men, change their climate, but not their customs. They see new meridians, but the same men; and with heads as empty as their pockets, return home with traveled bodies, but untravelled minds.

The investment climate in Gujarat under Modi has been very supportive of business interests; but it was the same under the Congress governments that came before him.