It is better to have useless knowledge than to know nothing.

It is not because things are difficult that we do not dare; it is because we do not dare that things are difficult

A sword by itself does not slay; it is merely the weapon used by the slayer.

The important thing about a problem is not its solution, but the strength we gain in finding the solution

Don't stumble over something behind you.

We become wiser by adversity; prosperity destroys our appreciation of the right.

Great men rejoice in adversity, just as brave soldiers triumph in war.

When an author is too meticulous about his style, you may presume that his mind is frivolous and his content flimsy.

There in no one more unfortunate than the man who has never been unfortunate. for it has never been in his power to try himself.

It's all in your headJ you have the power to make things seem hard or easy or even amusing. The choice is yours.

Death is the wish of some, the relief of many, and the end of all.

¿Preguntas cúal es el fundamento de la sabiduría? No gozarte en cosas vanas.

Pursuing your dreams is the best way of insulating yourself from your nightmares.

Death is a mirror that gives us a glimpse of who we really are.Death is a rearview mirror that puts the past into perspective.

You can't put a limit on anything. The more you dream, the farther you get.

In the end, climate change is a math problem.

With that malignant envy which turns pale, And sickens, even if a friend prevail.

I'm very interested in charities. I help a lot of different charities.

True friends. Hardest thing to find, but you never look for them - they found you ; you just grow into each other

We don't have to look far for miracles because they're all around us. Everything is astonishing. The universe on it's surface is alive with mystery.

To convert somebody go and take them by the hand and guide them.