Mr Khatami has to tread carefully, above all in promoting relations with the West.

ECONOMIST: Khatami��s Iran

But in his meetings with the general, he was forced to tread on treacherous ground nonetheless.

ECONOMIST: Asian security

Khatami in his meeting Monday with the British foreign secretary will have to tread a careful line between what many Iranians want and what the hard-liners want.

CNN: Khatami

In mid-February a top Slovenian manager urged the government to "synchronise its activities with business interests", and to tread very carefully in deciding when to recognise Kosovo's independence.

ECONOMIST: Paying a price for recognising Kosovo's independence

According to the thinking in Berlin, there will be more German boots on foreign soil, but they will tread with sensitivity.

BBC: German army prepares for new global role

The religious scholars he studied at Harvard, such as Jewish philosopher Martin Buber (1878--1965), helped this devout Episcopalian articulate what is in essence a Buddhist worldview: Business is interdependent with everything around it, and hence it must tread lightly alongside nature, so both can remain healthy and sustain each other in the long run.

FORBES: Magazine Article

Xi also said the U.S. should be more pragmatic in its dealings with China, even going so far as telling Kissinger and friends that Washington needs to tread lightly.

FORBES: China's VP In DC, Looks For Support