Men who are in earnest are not afraid of consequences.

Genius, like humanity, rusts for want of use.

Courage is very important. Like a muscle, it is strengthened by use.

Happiness quite unshared can scarcely be called happiness — it has no taste.

The greater the difficulty, the more the glory in surmounting it.

Difficulties strengthen the mind, as labor does the body.

Think lightly of yourself and deeply of the world.

Letting go gives us freedom, and freedom is the only condition for happiness.

The world always seems brighter when you've just made something that wasn't there before.

One sees great things from the valley; only small things from the peak.

Not what we have but what we enjoy constitutes our abundance.