Observation and experiment for gathering material, induction and deduction for elaborating it: these are are only good intellectual tools.

It is impossible to love and to be wise.

Silence is the sleep that nourishes wisdom.

Begin doing what you want to do now. We are not living in eternity. We have only this moment, sparkling like a star in our hand - and melting like a snowflake.

If a man will begin with certainties, he shall end in doubts, but if he will content to begin with doubts, he shall end in certainties.

All rising to great places is by a winding stair.

It's not what we profess but what we practice that gives us integrity.

Man prefers to believe what he prefers to be true.

There is a difference between happiness and wisdom: he that thinks himself the happiest man is really so; but he that thinks himself the wisest is generally the greatest fool.

Read not to contradict and confute, nor to believe and take for granted... but to weigh and consider.

Life is a marshmallow, easy to chew but hard to swallow.

Tennis taught me to take chances, to take life as it comes. To hit every ball that comes to me no matter how hard it looks, to give it my best shot.

Do every act of your life as if it were your ultimate.

i never knew that the things i left unsaidmade the loudest noise in her heart

Like many women my age, I am 28 years old.

There are people with their iPads are taking pictures so much that they're not experiencing the moment. They go home and look at the pictures later.

I have a good attitude. And I was born with a happy heart. I'm always looking for things to be better.

I love Lil Wayne, that's like my little brother. He's just the coolest dude on Earth.

An enemy can partly ruin a man, but it takes a good-natured injudicious friend to complete the thing and make it perfect.

It may seem like I'm overlooking a technical detail or a spec change, but at the end of the day I'm mostly going to be talking about the final result, with a few exceptions.

Scratch my back with a hack saw!