Climbing to the top demands strength, whether it is to the top of Mount Everest or to the top of your career.

Never let the future disturb you. You will meet it, if you have to, with the same weapons of reason which today arm you against the present.

You have power over your mind - not outside events. Realize this, and you will find strength.

When all is said and done, more is said than done.

Only in the darkness, you are able to see the stars.

The greatest thing in the world is to know how to belong to oneself.

People who are unable to motivate themselves must be content with mediocrity, no matter how impressive their other talents.

No great discovery was ever made without a bold guess.

I seldom end up where I wanted to go, but almost always end up where I need to be.

It's all to do with the training: you can do a lot if you're properly trained.

Courage is the thing. All goes if courage goes.

First they ignore you, then they ridicule you, then they fight you, and then you win.

We need never be ashamed of our tears.

We do not consider our principles as dogmas contained in books said to come from heaven. We derive our inspiration, not from heaven, or the unseen world, but directly from life.

There are no traffic jams on the extra mile.

Don't just read the easy stuff. You may be entertained by it, but you will never grow from it.

Be happy, but never satisfied.

Do not be afraid. Do not be satisfied with mediocrity. Put out into the deep and let down your nets for a catch.

Things may come to those who wait but only the things left by those who hustle.

You have to make the rules, not follow them.

Be yourself; everyone else is already taken.