One just needs a little alertness to see and find out: Life is really a great cosmic laughter.
Nature is pleased with simplicity. And nature is no dummy
Just remember, once you're over the hill you begin to pick up speed.
The essence of knowledge is, having it, to apply it; not having it, to confess your ignorance.
Do not say a little in many words, but a great deal in few!
Never pick a fight with an ugly person, they've got nothing to lose.
A mistake is always forgivable, rarely excusable and always unacceptable.
Appearances often are deceiving.
When you undervalue what you do, the world will undervalue who you are
One who deceives will always find those who allow themselves to be deceived.
Be frank and explicit. That is the right line to take when you wish to conceal your own mind and to confuse the minds of others.
Fine clothes may disguise, but silly words will disclose a fool.
In a good bookroom you feel in some mysterious way that you are absorbing the wisdom contained in all the books through your skin, without even opening them.
Every aquarium will eventually leak.
Be silent or let thy words be worth more than silence.
An understanding of the natural world is a source of not only great curiosity, but great fulfilment.
Forget not that the earth delights to feel your bare feet and the winds long to play with your hair.
He who can destroy a thing, can control a thing.
Although our intellect always longs for clarity and certainty, our nature often finds uncertainty fascinating.
Accuracy is the twin brother of honesty; inaccuracy, of dishonesty.
Doubt is the origin of wisdom