There are things which seem incredible to most men who have not studied Mathematics.

Mathematics reveals its secrets only to those who approach it with pure love, for its own beauty.

Man has always learned from the past. After all, you can't learn history in reverse!

Give me a place to stand, and a lever long enough, and I will move the world.

Give me but a firm spot on which to stand, and I shall move the earth.

Those who claim to discover everything but produce no proofs of the same may be confuted as having actually pretended to discover the impossible.

Rise above oneself and grasp the world.

Equal weights at equal distances are in equilibrium and equal weights at unequal distances are not in equilibrium but incline towards the weight which is at the greater distance.

Eureka! (I have found it!).

Any solid lighter than a fluid will, if placed in the fluid, be so far immersed that the weight of the solid will be equal to the weight of the fluid displaced. On floating bodies I, prop 5.

The centre of gravity of any parallelogram lies on the straight line joining the middle points of opposite sides.

Theological formation is the gradual and often painful discovery of God's incomprehensibility. You can be competent in many things, but you cannot be competent in God.

But how conceive a God supremely good/ Who heaps his favours on the sons he loves, / Yet scatters evil with as large a hand?[Written after an earthquake in Lisbon killed over 15, 000 people]

There are rules to luck, not everything is chance for the wise; luck can be helped by skill.

The art is in selecting what is worthwhile to take the trouble about.

There was certainly a space I felt for me, don't complain about it not being there, make it.

This world needs more than good works. It needs good news. Good works come out of the good news.

Don't you think you're quite young?' 'I'm twenty-one,' said Brida. 'If I wanted to start learning ballet, I'd be conseidered too old.

What makes a hero truly great is that they never despair.

I am for keeping the thing going while things are stirring. Because if we wait till it is still, it will take a great while to get it going again.

I'm doing it by enjoying what I do in the gym, really enjoying my foods.