When I stand on a street in a Canadian city and look across the street, it couldn't be anywhere but Canada, but how can I prove it?

Don't depend on governments or corporations to fix problems. Social revolutions are led by passionate individuals and that's what makes the difference.

Just as the difference in height between males is no longer a realistic issue, now that lawsuits have been substituted for hand-to-hand encounters, so the difference in strength between men and women is no longer worth elaboration in cultural institutions.

Jealousy is not a barometer by which the depth of love can be read. It merely records the degree of the lover's insecurity.

Keeping even the most humble talent wrapped in a napkin becomes the more reprehensible the greater the emergency.

Photographs [are] of course heavily dependent upon the culture, the disciplinary point of view and the idiosyncratic vision of the particular photographer-analyst.

No society has ever yet been able to handle the temptations of technology to mastery, to waste, to exuberance, to exploration and exploitation... We have to learn to cherish this earth and cherish it as something that's fragile, that's only one, it's all we have... We have to use our scientific knowledge to correct the dangers that have come from science and technology.