An understanding of the natural world is a source of not only great curiosity, but great fulfilment.
A good teacher protects his pupils from his own influence.
Most of what matters in our lives takes place in our absence.
Don't raise your voice, improve your argument.
It takes a lot of courage to show your dreams to someone else.
Muddy water is best cleared by leaving it alone.
A man is literally what he thinks.
Sometimes you will never know the value of a moment until it becomes a memory.
When I stand before God at the end of my life, I would hope that I would not have a single bit of talent left, and could say, 'I used everything you gave me'.
Why fit in when you were born to stand out?
The very essence of instinct is that it's followed independently of reason.
If we don't believe in freedom of expression for people we despise, we don't believe in it at all.
Immoderate desire is the mark of a child, not a man.
It is man that makes truth great, not truth that makes man great.
Boredom is the root of all evil - the despairing refusal to be oneself.
The one you buy will be the only one that doesn't work.
Intelligence is the ability to adapt to change.
The more that you read, the more things you will know. The more that you learn, the more places you'll go.
Every act of creation is first an act of destruction.
No one can make you feel inferior without your consent.
A perfection of means, and confusion of aims, seems to be our main problem.
