After all, science is essentially international, and it is only through lack of the historical sense that national qualities have been attributed to it.

All tyranny needs to gain a foothold is for people of good conscience to remain silent.

The poor are prevented from thinking by the discipline of others, the rich by their own.

All battles are fought by scared men who'd rather be some place else.

We all live with the objective of being happy; our lives are all different and yet the same.

You don't have to be the Dalai Lama to tell people that life's about change.

I think we're having fun. I think our customers really like our products. And we're always trying to do better.

Gold and silver from the dead turn often into lead.

The people I distrust most are those who want to improve our lives but have only one course of action.

I don't try to imagine a personal god; it suffices to stand in awe at the structure of the world, insofar as it allows our inadequate senses to appreciate it.

Our greatest foes - and whom we must chiefly combat - are within.

One must judge men not by their opinions, but by what their opinions have made of them.

Hope is like the sun, which, as we journey toward it, casts the shadow of our burden behind us.

A book is a mirror: if an ape looks into it an apostle is hardly likely to look out.

We often discover what will do by finding out what will not do; and probably he who never made a mistake never made a discovery.

We must find time to stop and thank the people who make a difference in our lives

Enthusiasm... the sustaining power of all great action.

If a dog will not come to you after having looked you in the face, you should go home and examine your conscience.

When we are no longer able to change a situation - we are challenged to change ourselves.

In order to be irreplaceable, one must always be different.

The battle for women's rights has been largely won.