It is a mistake to think you can solve any major problems just with potatoes.

Courage is grace under pressure.

Genius is sorrow's child.

A person preaches well that lives well.

That which costs little is less valued.

Forewarned, forearmed. To be prepared is half the victory.

When something is important enough, you do it even if the odds are not in your favor.

Parents are usually more careful to bestow knowledge on their children rather than virtue, the art of speaking well rather than doing well; but their manners should be of the greatest concern.

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

The cure for boredom is curiosity.There is no cure for curiosity.

In the increasingly convincing darkness the words become palpable, like a fruit that is too beautiful to eat.

The future belongs to those who believe in the beauty of their dreams.

Religion is like a knife: you can either use it to cut bread, or stick in someone's back.

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

We can work together for a better world with men and women of goodwill, those who radiate the intrinsic goodness of humankind.

The world is moving so fast these days that the man who says it can't be done is generally interrupted by someone doing it.

No snowflake in an avalanche ever feels responsible.

Comedy is acting out optimism.

A scientific man ought to have no wishes, no affections, - a mere heart of stone.

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

Anybody who watches three games of football in a row should be declared brain dead.