As we retain but a faint remembrance of our felicity, it is but fair that the smartest stroke of sorrow should, if bitter, at least be brief.

Never apologize for showing feeling. When you do so, you apologize for the truth.

The secret of success is constancy of purpose.

Cleanliness and order are not matters of instinct; they are matters of education, and like most great things, you must cultivate a taste for them.

Nurture your mind with great thoughts, for you will never go any higher than you think.

Action may not always bring happiness; but there is no happiness without action.

Courage is fire, and bullying is smoke.

One secret of success in life is for a man to be ready for his opportunity when it comes.

Time is precious, but truth is more precious than time.

Never complain and never explain.

Finality is not the language of politics.

I see the beauty in you, and the darkness. Both are brilliant.

It’s difficult to ever go back to the same places or people. You turn away, even for a moment, and when you turn back around, everything’s changed.

Equipped for battle Golden truths

I stress the relevance of my work for cancer research because I believe that science must be useful to man.

A glacier will frequently move forward one foot while retreating three feet... Which reminds me a lot of myself!

I think the world's just gone completely mad, with everyone wearing the same things, even celebrities.

Testing oneself is best when done alone.

Wearing spectacles makes men conceited, because spectacles raise them to a degree of sensual perfection which is far above the power of their own nature.

I'm one of those people who fiercely guards their privacy, so I hate doing interviews.

There's just something really, really timeless about live instruments. There's just something special about them that you can't really duplicate or grasp without including live instruments.