Nature gives to every time and season some beauties of its own and from morning to night as from the cradle to the grave it is but a succession of changes so gentle and easy that we can scarcely mark their progress.

Preoccupation with money is the great test of small natures but only a small test of great ones.

But human nature dictates that there will always be cheaters. That's inevitable. Where there's money involved and glory there are going to be people that cheat and there will always be ways to cheat.

Some of the best times I've spent in Colorado have been in the backcountry with my mom and siblings and more recently with my own kids. That is why I'm concerned to see today's kids spending more time browsing the Internet than exploring nature.

I'm a competitive person and it is in my nature to try hard in every match I play. The only time I'm not competitive is when I'm playing against my mom.

Ideas devour the ages as men are devoured by their passions. When man is cured human nature will cure itself perhaps.

There are more men ennobled by study than by nature.

Men are by nature merely indifferent to one another but women are by nature enemies.

Such is the nature of men that howsoever they may acknowledge many others to be more witty or more eloquent or more learned yet they will hardly believe there be many so wise as themselves.

If men and women are to understand each other to enter into each other's nature with mutual sympathy and to become capable of genuine comradeship the foundation must be laid in youth.