Even when laws have been written down, they ought not always to remain unaltered.

It is during our darkest moments that we must focus to see the light.

Happiness depends upon ourselves.

Educating the mind without educating the heart is no education at all.

Adventure is worthwhile.

Patience is bitter, but its fruit is sweet.

Love is composed of a single soul inhabiting two bodies.

Education is an ornament in prosperity and a refuge in adversity.

Be a free thinker and don't accept everything you hear as truth. Be critical and evaluate what you believe in.

Knowing yourself is the beginning of all wisdom.

Criticism is something we can avoid easily by saying nothing, doing nothing, and being nothing.

With life, everything that’s needed to be known can be known by human. No mystery can be hidden from you if you really try to look into it.

If our core belief is based on what other people think, then we eventually will allow their opinions to become our reality.

She moved with such purpose it was as though she walked with exclamation marks.

So dress and conduct yourself so that people who have been in your company will not recall what you had on.

...the NCI...Annual planning Project Requirements (says that) by July 1, 1975, it is estimated that 670,000 people in the US will be working on cancer.

Culture is a way of coping with the world by defining it in detail.

The American drummer is a one-man percussion orchestra.

Two years of close association with some of the best (as well as some of the worst) tunes in the world was a better musical education than any amount of sonatas and fugues.

Americans feel as though the only position they can possibly occupy is number one and if they're not number one, well, the end of the world has come.

Once you accept an idea, it's an idea whose time has come.