The only time you really live fully is from thirty to sixty. The young are slaves to dreams; the old servants of regrets. Only the middle-aged have all their five senses in the keeping of their wits.

I wish to preach not the doctrine of ignoble ease but the doctrine of the strenuous life; the life of toil and effort; of labour and strife; to preach that highest form of success which comes not to the man who desires mere easy peace but to the man who does not shrink from danger, from hardship, or from bitter toil, and who out of these wins the splendid ultimate triumph. A life of ignoble ease, a life of that peace which springs merely from lack either of desire or of power to strive after great things, is as little worthy of a nation as of an individual.

There are no words that can tell the hidden spirit of the wilderness, that can reveal its mystery, its melancholy and its charm.

Aggressive fighting for the right is the noblest sport the world affords.

I think there is only one quality worse than hardness of heart and that is softness of head.

We should not forget that it will be just as important to our descendants to be prosperous in their time as it is to us to be prosperous in our time.

In a crisis, the man worth his salt is the man who meets the needs of the situation in whatever way is necessary.