Characters do not change. Opinions alter but characters are only developed.

Change your opinions keep to your principles change your leaves keep intact your roots.

For having lived long I have experienced many instances of being obliged by better information or fuller consideration to change opinions even on important subjects which I once thought right but found to be otherwise.

Opinions are made to be changed - or how is truth to be got at?

There are two kinds of fools: those who can't change their opinions and those who won't.

What if I couldn't handle people's opinions of me? I know that shouldn't dictate a person's degree of peace or happiness in life but the problem is I chose a business saturated in judgment.

We're all entitled to opinions about how art institutions should behave and entitled to voicing those opinions through whatever means available to us. We're also allowed to change or modify our opinions.

Everyone goes to the same exhibitions and the same parties stays in the same handful of hotels eats at the same no-star restaurants and has almost the same opinions. I adore the art world but this is copycat behavior in a sphere that prides itself on independent thinking.

Poor Georgia O'Keeffe. Death didn't soften the opinions of the art world toward her paintings.

The best rules to form a young man are to talk little to hear much to reflect alone upon what has passed in company to distrust one's own opinions and value others that deserve it.

The foolish and the dead alone never change their opinions.

We accumulate our opinions at an age when our understanding is at its weakest.

The tendency of old age to the body say the physiologists is to form bone. It is as rare as it is pleasant to meet with an old man whose opinions are not ossified.